Simplifying
Adding/Subtracting
Multiplying
Dividing
Ratios and Proportions
100

Simplify 

10/25

2/5

100

8/9 - 3/10

53/90

100

1/4•3/5

3/20

100

1/5 ÷ 7/4

4/35

100

Write any fraction that forms a proportion with 

2/5

I'll check your answers :)

200

Simplify 

12/21

4/7

200

12/20 + 10/15

19/15

1 4/15

200

4/7•7/9

4/9

200

3/2 ÷ 10/7

21/10 or 2 1/10

200

Jasmine earns $120 for working 8 hours.
If she works 14 hours, how much should she earn at the same rate?

$210

300

Simplify 

30/84

5/14

300

8/20 - 3/15

1/5

300

-1 1/4•9

Leave your answer as a mixed number.

-11 1/4

300

-1/2÷1 1/4

-2/5

300

A car travels 120 km in 2 hours. Assuming the speed stays the same, how far will it travel in 5 hours?

300 km

400

Simplify 

168/320

21/40

400

9 1/3-4 1/2

Leave your answer as a mixed number.

4 5/6

400

-1 5/7•-2 1/2

Leave your answer as a mixed number.

4 2/7

400

3 5/9 ÷ 3

Leave answer as a mixed number.

1 5/27

400

A recipe calls for flour, sugar, and butter in the ratio 4 : 2 : 1. If you want to use 8 cups of flour, how much sugar and butter will you need to keep the same ratio?

  • Sugar: 4 cups

  • Butter: 2 cups

500

Simplify 

108/135

4/5

500

1 2/5+3 3/4

Leave your answer as a mixed number.

5 3/20

500

-2 2/3•4 1/10

Leave your answer as a mixed number.

-10 14/15

500

-3 7/10÷2 1/4

Leave answer as a mixed number.

-1 29/45

500

On a map, ⅓  inch represents 6 miles. If two cities are 17 inches apart on the map, what is the actual distance between them?

306 miles