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Example: 2/3 and 3/4

The LCD of 3 and 4 is 12.

Multiply the numerator and the denominator of 2/3 by 4 to make 8/12

Multiply the numerator and the denominator of 3/4 by 3 to make 9/12

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โˆ™ 2017-03-25 19:21:29
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โˆ™ 2010-06-12 19:54:15

(1) Find the least common denominator of two or more fractions, (2) Convert to the common denominator.

To convert to the least common denominator, you have to multiply numerator and denominator of a fraction by the same number.

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Related questions

When adding or subtracting two fractions with denominators that are not equal what is the first step you take?

The first step to take is find the lowest common denominator of the fractions which can be done by finding the lowest common multiple of the numbers.


How do you subtract fractions when denominator is different?

By finding the lowest common denominator of the fractions.


Adding unlike fractions?

If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators. To add fractions with unlike denominators, rename the fractions with a common denominator. Then add and simplify.


LCD of two or more fractions mean?

LCD is the Lowest Common Denominator which is the lowest number into which the denominators of all the fractions will each divide exactly. Each of the fractions can then be converted to an equivalent fraction with the new denominator which then allows the fractions to be added and/or subtracted.


What is the least common denominator of 125?

There has to be a set of two or more fractions for a lowest common denominator.


What is a common denominator of fractions 34 and 58?

If you mean fractions of 3/4 and 5/8 then the lowest common denominator needed is 8


How do you calculate the sum of fractions?

If the fractions do not all have the same denominator, find a common multiple of the denominators (ideally the lowest common multiple) and convert the fractions to equivalent fractions with this denominator. Now with all the fractions with the same denominator, add together the numerators. Finally, reduce the fraction to simplest terms, converting any improper fraction to a mixed number.


What is used in changing dissimilar fractions to similar fractions?

Finding the lowest common denominator


How do you subtract fractions with different denominators?

By finding their lowest common denominator by means of their lowest common multiple


What is lowest common denominator of 17?

A single number cannot have anything in common. To find a lowest common denominator, you need to be adding or subtracting at least two fractions.


What is the lowest common denominator for these fractions 35 and 110?

10 is.


What is the difference between a common denominator and the lowest common denominator?

It is possible for two fractions to have many common denominators. The smallest of these is the LCD.


What common denominator would you use to add fractions?

There isn't a universal answer to all problems. What you should try to do is find the lowest common denominator between the fractions you are adding.


Why is it helpful to write a number as a product of prime?

When adding or subtracting fractions with different denominators finding the prime product of each denominator helps in finding the lowest common denominator of the given fractions by their lowest common multiple.


How do subtract two fractions with different denominator?

First find the lowest common denominator and then adjust the fractions accordingly before subtracting the numerators


How can you find a common denominator for two unlike fractions?

Find the lowest common multiple of the denominators and adjust the fractions accordingly


What is LCD mean?

It is applicable to fractions and it means the Lowest Common Denominator


What is the first step to finding the lowest common denominator of two fractions?

The first step in finding the lowest common denominator of two fractions is to multiply the two denominators. Then you see if there are any smaller numbers that are divisible by both denominators.


Adding and subtracting unlike denominators?

Fractions can only be added or subtracted if the denominators are the same. If the denominators are different, then the fractions need to be made into equivalent fractions with the same denominator. The new denominator can be found simply by multiplying the denominators together, but this can lead to some large fractions with which to work. A better new denominator is the lowest common multiple of (all the) denominators. (Once the new denominator is found, the fractions' new numerators are found by multiplying their current numerator by the new denominator divided by their current denominator to make their equivalent fractions with the new denominator.) Once all the fractions are converted into equivalent fractions with the new denominator then the fractions can be added or subtracted, with the result being simplified (if possible).


What 2 operations are used with lowest common denominator?

The least common denominator or (LCD) of two or more fractions is the least common multiple of the denominators.


How do you subtract mixed factions?

By finding their lowest common denominator and then alter the numerator and denominator of the given fractions accordingly


When adding 2 fractions 1 step is to find the lowest common what?

Denominator


What is the lowest common denominator of the fraction 2 over 9 and 1 over 6?

The lowest common denominator of the fractions 2 over 9 and 1 over 6 is 18.


Are prime factors the easiest way to reduce fractions and find whether a fraction is in its simplest form and to find the lowest common denominator of two or more denominators?

Yes that is the most effective approach in reducing fractions and finding their lowest common denominator.


What is the least common denominator for the fractions 5656 and 3838?

There doesn't appear to be any fractions there but to find the LCD of fractions is done in the same way as finding the lowest common multiple of numbers.