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You can't accurately compare fractions if they don't have a common denominator. In other words, the bottom numbers of both fractions have to be the same. To change that, you have to find the LCD, or least common denominator (the smallest number both bottom numbers multiply evenly into.) In this case, the LCD is 30, since 3 is a factor of 30. Since 10 x 3 =30, we have to multiply the top number (or numerator) by 10 also. Here's what the process looks like: 21/30 > 2/3 (original problem) 21/30 > ?/30 (find the LCD) 21/30 > 20/30 (multiply the numerator by the same number as the denominator) 21/30 > 20/30 (final answer) So there you have it. 21 is larger than 20, therefore 21/30 is larger than 2/3.
What else can I help you with?
What is irregular fractions?
an irregular fraction is a fraction where the numenator is larger than the denomenator
Why is the quotient larger than the dividend when by a unit fraction?
Because it's a fraction
Does a proper fraction have a numerator larger than the denominator?
No, a proper fraction has a numerator smaller than the denominator.
When the top number of a fraction is larger than the bottom number then that fraction is called?
improper
Proper fraction and improper fraction?
If you're asking the difference, then a proper fraction is when the numerator is smaller than the denominator. And an improper fraction is a fraction bigger than whole or when the numerator is larger than the denominator.
How do you know is a fraction is improper?
If the numerator is larger than the denominator.
Is the fraction 7 over 10 larger than the fraction 3 over 5?
Yes because 3 over 5 is equal to 6 over 10 s
When does multiplying by a fraction give an answer that is larger than that original answer?
A fraction can be larger than 1, for example, 4/2 is a fraction (which can be simplified to 2). Only a fraction that is larger than 1, multiplied by another number gives you a larger number.
How do you know which fraction is greater than the other?
The higher the denominator is larger considering that the numerator is equal.
What fraction is larger than 2 over 7?
The answer includes an infinite number of fractions, but the simple way to get a larger fraction is to increase the size of the numerator, or decrease the size of the denominator, so 3/7 is larger than 2/7, and 2/6 (which reduces to 1/3) is larger than 2/7.
What type of fraction is larger than 1?
an improper fraction
What happens to the quotient when you divide a fraction by a fraction?
The quotient is larger than the original fraction.
What is a fraction called when the numerator is larger than the denominatior?
An improper fraction.
What is the name of a fraction that has its numerator larger than its denominator?
improper fraction
What type of fraction has a larger numerator than denominator?
improper fraction
What is a fraction whose numerator is larger than the denominator?
An improper fraction
When the numerator is larger than the denominator the fraction is?
it is called an improper fraction
