Adding Fractions

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 add fractions?

Back

Adding fractions means combining two or more fractions to find a total or sum.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

Front

How do you find a common denominator for 2/3 and 2/9?

Back

The least common multiple of 3 and 9 is 9, so the common denominator is 9.

Front

What is the sum of 2/3 and 2/9?

Back

8/9.

Front

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

Back

Find a common denominator.

Front

How do you convert 1/4 to have a denominator of 8?

Back

Multiply both the numerator and denominator by 2 to get 2/8.

Front

What is the sum of 1/4 and 3/8?

Back

5/8.

Front

What is the sum of 3/20 and 3/4?

Back

9/10.

Front

How do you convert 1/3 to have a denominator of 18?

Back

Multiply both the numerator and denominator by 6 to get 6/18.