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 9/10 - 3/4?

Back

3/20

Front

What is 6½ - 2⅔?

Back

3 5/6

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).

Front

What is 3 7/11 - 2 10/11?

Back

8/11

Front

What is 8/9 - 1/3?

Back

5/9

Front

What is 7/10 - 1/2 in simplest form?

Back

1/5

Front

What does it mean to express a fraction in simplest form?

Back

Expressing a fraction in simplest form means reducing it so that the numerator and denominator have no common factors other than 1.