Subtracting Fractions with unlike denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions.

Front

What are unlike denominators?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

Front

How do you subtract fractions with unlike denominators?

Back

1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Subtract the numerators and keep the common denominator.

Front

What is the common denominator of 2/3 and 1/2?

Back

The common denominator of 2/3 and 1/2 is 6.

Front

Convert 2/3 to a fraction with a denominator of 6.

Back

2/3 = 4/6.

Front

Convert 1/2 to a fraction with a denominator of 6.

Back

1/2 = 3/6.

Front

What is 4/6 - 3/6?

Back

4/6 - 3/6 = 1/6.

Front

What is the common denominator of 7/8 and 3/4?

Back

The common denominator of 7/8 and 3/4 is 8.

Front

Convert 3/4 to a fraction with a denominator of 8.

Back

3/4 = 6/8.