Addition
Subtraction
Multiplication
Division
Converting
100

1/2 + 1/2

2/2 or 1
100
1/2 - 1/2

0

100

2/3 x 1/2

2/6 or 1/3

100

4/5 ÷ 2

4/10 or 2/5

100

5/2

2 1/2

200

2/5 + 1/5

3/5

200

3/4 - 1/4

2/4 or 1/2

200

4/5 x 2/3

8/15

200

3 ÷ 1/2

6

200
4/2

2

300

3/4 + 2/4

5/4 or 1 1/4

300

5/6 - 2/3

1/6

300

4 x 2/3

8/3 or 2 2/3

300

3/4 ÷ 3

1/4

300

4 1/2

9/2

400

2/3 + 1/4

11/12

400

2 - 1/2

1 1/2

400

1 1/2 x 2

3

400

4/5 ÷ 5/4

16/25

400

21/8

2 5/8

500

2 1/2 + 3 1/4

5 3/4

500

1 1/3 - 3/4

7/12

500

2 1/4 x 3/5

27/20 or 1 7/20

500

3 1/2 ÷ 2/3

21/4 or 5 1/4

500

424/105

4 4/105