Add and Subtract Fractions

Front

What must you have to add and subtract fractions?

Back

Common denominators.

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

13/18 feet.

Front

Calculate: 3/5 + 7/10

Back

13/10.

Front

Calculate: 2/3 + 1/2

Back

7/6.

Front

Tim did 1/12 of a load of laundry on Sunday and 1/4 of a load of laundry on Saturday. What fraction of laundry did Tim do in total?

Back

1/3 loads done.

Front

What is a fraction?

Back

A fraction represents a part of a whole, expressed as a numerator over a denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find a common denominator for 1/4 and 1/6?

Back

The least common multiple of 4 and 6 is 12, so the common denominator is 12.

Front

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

Back

Find a common denominator.

Front

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

Back

1/2.