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Any multiple of 21 can be.

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Q: What is the common denominator for the fractions 2-7 and 1-3?
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Related questions

What is the least common denominator for fractions 9-10 and 11-30?

The least common denominator is 30. 9/10 = 27/30


What is the lowest common denominator of 27 and 45?

135 is the lowest common denominator of numbers 27 and 45.


Is 27 out of 50 is equivalent to 18 out of 40?

Learn how to use "common denominators". The common denominator for 27/50 and 18/40 is 200. To get this common denominator, you need to multiply both the numerator and denominator of 27/50 by 4, giving you 108/200. (A fraction remains the same as long as you multiply both the top and bottom numbers by the same number.) To get 18/40 to the common denominator of 200, you have to multiply both the top and bottom by 5. Once you do that, both fractions will have 200 as the denominator, so you can just look to see if the numerator is the same. If not, they aren't equal. Good luck.


What is a common denominator for 3 9 27 and 27?

The common denominator of any two or more whole numbers, such as 3 9 and 27, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the least common denominator of 27 and 21?

There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of two or more fractions. Even if you converted your numbers (x) to their fraction equivalents (x/1), the LCD will always be 1.


What is the least common denominator of 7 and 27?

Since there are no common prime factors of 7 and 27, you must multiply them together to get the common denominator. 27 times 7 is 189.


What is the common denominator of 27 and 99?

The common denominator of any two or more whole numbers, such as 27 and 99, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the common fraction for 27?

27 is an integer and so has no common fractions.


What is the lowest common denominator of 27 and 50?

The lowest common denominator of any two or more whole numbers, such as 27 and 50, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the common denominator of 27 7 9?

The common denominator of any two or more whole numbers, such as 27 7 and 9, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the first common denominator of 27 30 and 28?

The common denominator of any two or more whole numbers, such as 27 30 and 28, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the lowest common denominator of 27 and 16?

The lowest common denominator of any two or more whole numbers, such as 27 and 16, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is the least common denominator of 9and 27?

27


What is the greatest common denominator of 19 and 27?

The greatest common denominator of any set of numbers is infinite.


What is the greatest common denominator of 27 and 87?

The greatest common denominator of any set of denominators is infinite.


What is the lowest common denominator of 27 and 36?

There is none because Least Common Denominator (or LCD) refers to the Least Common Multiple (LCM) of the denominators of two or more fractions or mixed numbers. Even if you converted your whole numbers (x) to their fraction equivalents (x/1), the LCD would always be 1.


How do you add and subtract fractions with unlike denominators?

STEP ONE: Get a common denominator. STEP TWO: Add or subtract the numerators. STEP THREE: Simplify the result if needed. Notice that 3/27 can be simplified, since the numerator and denominator are both divisible by 3. And that's all there is to it! Final Answer:


How many proper fraction in lowest term have denominator that is one of the counting number 1 to 9?

For a _positive_ fraction to be proper and in lowest terms, the numerator must be less than the denominator and be relatively prime. For denominator 1: 0 possible numerators. For denominator 2: 1 possible numerator. For denominator 3: 2 possible numerators. For denominator 4: 2 possible numerators. For denominator 5: 4 possible numerators. For denominator 6: 2 possible numerators. For denominator 7: 6 possible numerators. For denominator 8: 4 possible numerators. For denominator 9: 6 possible numerators. Adding all of them together gives 27 positive proper fractions in lowest terms. Symmetrically, there are 27 negative proper fractions in lowest terms. Also, 0/1 is in lowest terms by the above definition. So in total, there are 55 proper fractions in lowest terms with denominator being an integer from 1 to 9.


What is the least common denominator for 27 45 and 10?

There is none because the Least Common Denominator (or LCD) refers to the Least Common Multiple (LCM) of the denominators of two or more fractions or mixed numbers. Even if you converted your whole numbers (x) to their fraction equivalents (x/1), the LCD would always be 1.


What is the Least common denominator of 27 8 9?

There is none because the Least Common Denominator (or LCD) refers to the Least Common Multiple (LCM) of the denominators of two or more fractions or mixed numbers. Even if you converted your whole numbers (x) to their fraction equivalents (x/1), the LCD would always be 1.


What is a least common denominator for 25 45 and 27?

There is none because the Least Common Denominator (or LCD) refers to the Least Common Multiple (LCM) of the denominators of two or more fractions or mixed numbers. Even if you converted your whole numbers (x) to their fraction equivalents (x/1), the LCD would always be 1.


What are the common denominators of 27 and 54 until 70?

The common denominator of any two or more whole numbers, such as 27 and 54, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.


What is common denominator for 27?

A common denominator is what you get when two different numbers (when you divide or multiply them) have a number in common. This always requires 2 numbers to have something to compare. 27 has the following denominators (by itself): 1, 3 (3*9=27), 9 (3*9=27) So it has a common denominator with at least any other number which is divisible by 1 (which would then be the "lowest common denominator"), 3 and 9.


What is a common denominator for 27 and 45?

3


What is a lowest common denominator for 15 21 27?

945 is the lowest common denominator. 3 is the greatest common factor.