Adding mixed numbers
Adding fractions
Subtracting mixed numbers
Subtracting fractions
LCM
100

1 1/2 + 7 4/5

8 13/10

100

2/3 + 5/7

19/21

100

19 5/8- 19 2/8

3/ 8

100

3/5 - 1/3 

4/15

100

4

6

12

200

6 2/4 +5 1/9

11 22/36

200

1/2 + 4/5

13/10

200

19 1/4-15 2/3

3 7/12

200

3/4 - 1/3

5/12

200

3

18

18

300

9 1/8 + 9 5/8

18 6/8

300

1/7 + 5/7

6/7

300

18 1/10- 8 2/5

9 7/10

300

2/3- 2/5

4/15

300

8

16

16

400

9 9/10 + 3 1/2

12 14/10

400

1/3 + 4/11

23/33

400

14 3/4 - 10 1/3

4 5/12

400

4/5- 3/5

1/5

400

3

5

15

500

3 2/5 + 3 4/5

6 6/5

500

3/5 + 5/11

58/55

500

20 1/3 - 19 1/6

1 1/6

500

5/6 - 1/4

7/12

500

4

10

40