Show:
Subtraction
Addition
Mixed to Improper
Improper to Mixed
Simplify
100

10/11 - 6/11

4/11

100

6/17 + 8/17

14/17

100

2 1/3

7/3

100

13/8

1 5/8

100

8/12

2/3

200

7/8 - 1/4

5/8

200

5/6 + 2/12

12/12 = 1

200

4 2/5

22/5

200

11/2

5 1/2

200

14/20

7/10

300

15/16 - 5/16

10/16 = 5/8

300

3/4 + 1/8

7/8

300

3 1/6

19/6

300

14/5

2 4/9
300

21/28

3/4

400

9/10 - 2/5

5/10 = 1/2

400

13/21 + 5/21

18/21

400

1 7/8

15/8

400

8/3

2 2/3

400

15/30

1/2

500

44/51 - 32/51 

12/51

500

5/7 + 2/21

17/21

500

2 9/10

29/10

500

7/3

2 1/3

500

16/32

1/2