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 3/5 and 3/10?

Back

The least common multiple of 5 and 10 is 10, so the common denominator is 10.

Front

What is the sum of 3/5 and 3/10?

Back

9/10.

Front

How do you add fractions with different denominators?

Back

Convert them to have a common denominator, then add the numerators and keep the common denominator.

Front

What is the sum of 5/12 and 1/3?

Back

3/4.

Front

What is the first step in adding 1/2 and 9/20?

Back

Find a common denominator, which is 20.

Front

What is the sum of 1/2 and 9/20?

Back

19/20.

Front

How do you add 2/3 and 2/9?

Back

Convert to a common denominator of 9, then add the numerators.