Name
Add
Subtract
Multiply
Divide
100

1/4

one fourth

100

3/5 + 2/5

5/5

100

3/5-2/5

1/5

100

3/5 * 2/5

6/25

100

2/3 ÷ 1/3

6/3

200

1/6

one sixth

200

1/4 + 2/4

3/4

200

2/4-1/4

1/4

200

1/6 * 2/4

2/24

200

1/6 ÷ 2/4

4/12

300

2/3

two thirds

300

5/10 + 2/10

7/10

300

5/10-2/10

3/10

300

5/10*2/3

10/30

300

3/5 ÷ 2/5

15/10

400

3/5

three fifths

400

3/4 + 3/4

6/4

400

3/4-1/4

2/4

400

8/8*4/4

32/32

400

5/10 ÷ 2/3

15/20

500

8/9

eight ninths

500

7/8 + 8/8

15/8

500

8/8-7/8

1/8

500

8/9*5/6

40/54

500

8/9 ÷ 5/6

48/45