# How do you determine which of the fractions #17/20# or #21/25# is greater and by how much?

##### 2 Answers

May 14, 2018

#### Explanation:

Put them over the same denominator using equivalent fractions

May 14, 2018

#### Explanation:

Subtract the fractions.

If you get a positive answer the first one is bigger, if you get a negative answer, the second one is bigger.

To subtract them you need the LCD which is