Chapter 3 - Part 2 Operations with Fractions & Mixed Numbers

Addition & Subtraction

100

1/2 + 1/3

5/6

200

3/4 - 1/8

5/8

300

1 2/3 + 2/3

2 1/3

400

2 3/8 - 1 2/3

17/24

500

3 1/2 - 1 3/4 + 1/2

2 1/4

Multiplying

100

1/2 xx 4

2

200

2/3 xx 1 1/2

1

300

3/5 xx 2 2/5

1 11/25

400

1 3/4 xx 2 1/3

4 1/12

500

3 1/2 xx 1 2/3

5 5/6

Dividing

100

1/2 -: 1/8

4

200

2 -: 3/4

2 2/3

300

1 2/3 -: 1/2

3 1/3

400

3 3/4 -: 1 1/4

3

500

4 1/2 -: 1 1/3

3 3/8

Converting

100

Write  5/3  as a mixed number. 

1 2/3

200

Write  2 1/5 as an improper fraction.

11/5

300

Write  5 4/5 as an improper fraction. 

29/5

400

Write  65/12 as a mixed number. 

5 5/12

500

Write  111/9 as a mixed number. 

12 1/3

Word Problems Mixed Operations

100

You ate  1/3  of a pizza and  1/2  more. What fractions represents the total amount of pizza you ate?

5/6 of a pizza.

200

You ran  1 1/2  miles and then  3/4  mile more. How many miles did you run in all? 

 2 1/4  Miles

300

A board is  4 1/2  ft long. You cut off  1 2/3  ft. How much left?

 2 5/6  Feet

400

A cookie recipe needs 2⅔ cups flour. You are tripling the batch. How many cups of flour do you need?

8 Cups

500

You have 6 1/3  yards of rope. You need pieces that are  1 1/4 yards long.  How many  1 1/4  long pieces can you cut the rope into? 

3 pieces 

with  1/15 left over