Show:
Addition
Subtraction
Multiplication
Division
100

2/7 + 3/7

5/7

100

7/8 - 3/8

(simplify your answer at the end!)

1/2 

(or 4/8)

100

2/7 x 1/2


(simplify your answer!)

1/7


(or 2/14)

100

14 / 2

7

200

3.2 + 7.5

10.7

200

4/5 - 2/3

2/15

200

2.0 x 8.0

16.0

200

1/2 / 2/3

3/4

300

45.6 + 77.2

122.8

300

5.62 - 3.41

2.21

300

2.4 x 3

7.2

300

2.4 / 3

0.8

400

1/4 + 2/3 

11/12

400
7/10 - 4/5

-1/10

400

6 x 3/4

4 1/2 or 18/4

400

6/7 / 2/5

2 1/7 or 30/14

500

5.03 + 0.196

5.226

500

47.8 - 39.5

8.3

500

1 1/2 x 2/5

3/5 or 6/10

500

5.6 / .8

7