Add and Subtract Fractions

Front

What must you have to add and subtract fractions?

Back

Common denominators are required to add and subtract fractions.

Front

Fill in the blank in order to create an equivalent fraction: 1/2 = __ /8

Back

4 is the equivalent fraction for 1/2 when the denominator is 8.

Front

What is 3/5 + 1/4?

Back

3/5 + 1/4 = 17/20.

Front

What is 2/5 + 3/10?

Back

2/5 + 3/10 = 7/10.

Front

Tim has a board that is 5/6 feet long. He painted 2/18 feet of his board last night. How much more does Tim have left to paint?

Back

Tim has 13/18 feet left to paint.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

Front

How do you find a common denominator for two fractions?

Back

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

Front

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

Back

The first step is to find a common denominator.

Front

What is the sum of 1/3 and 1/6?

Back

1/3 + 1/6 = 1/2.

Front

What is the difference between 5/8 and 1/4?

Back

5/8 - 1/4 = 3/8.