Subtracting Fractions

Front

What is subtracting fractions?

Back

Subtracting fractions involves finding the difference between two fractions. To do this, you need a common denominator.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you are subtracting.

Front

What is the first step in subtracting fractions with different denominators?

Back

The first step is to convert the fractions to equivalent fractions with a common denominator.

Front

What is 7/8 - 7/12?

Back

7/24

Front

What is 15/16 - 12/16?

Back

3/16

Front

What is 3/10 - 1/5?

Back

1/10

Front

What is 1/2 - 1/8?

Back

3/8

Front

What is 8/15 - 1/6?

Back

11/30

Front

What do you do after finding a common denominator?

Back

After finding a common denominator, subtract the numerators and keep the common denominator.

Front

What is the result of subtracting fractions?

Back

The result of subtracting fractions is another fraction, which may need to be simplified.