Addition and Subtraction of Fractions

Jessica's hair was 16 1/4 inches long. Her hairdresser cut off 3 5/8 inches. How long is her hair now?

12 5/8

Which of the following fractions is the largest? 3/8, 2/9, 5/16, 19/45

19/45

Sally used 1 1/2 cups of flour for her cookie recipe, but the cookies were too mushy. She realized that she needs to add 3/4 cups more flour the next time she makes her cookies. How much flour total will she need?

2 1/4

Which of the following fractions is the smallest? 3/8, 2/9, 5/16, 19/45

2/9

This mixed number is in lowest terms

5 2/3

3 1/3 + 2 4/3 =

6 2/3

4/7 is greater than, less than, or equal to 7/11

<

3/8 is greater than, less than, or equal to 21/56

=

Jim has 4 3/4 pounds of clay. He uses 1 1/10 pounds to make a cup, and another 2 pounds to make a jar. How many pounds are left?

1 13/20

A recipe calls for 2 1/2 cups of flour, but Paul only has 2 1/8 cups. How much more flour does he need?

3/8

The bottom of a fraction

denominator

The top of a fraction

numerator