Show:
subtraction
addition
decimal addition
decimal subtraction
fractions
100

12-5

7

100

8+3

11

100

7.4+3.9

11.3

100

5.7-3.3

2.4

100

3/5+2/5

1 or 5/5

200

57-27

30

200

19+17

36

200

17.93+12.07

30

200

12.7-7.7

5

200

17/20-12/20

5/20 or 1/4

300

800-577

223

300

78+22

100

300

19.5+18.5

38

300

15.43-12.15

3.28
300
27/50+13/50

40/50 or 4/5

400

1800-685

1115

400

155+122

277

400

27.13+15.67

42.8

400

57.32-28.17

29.15

400

57/80-27/80

30/80 or 3/8

500

98000-54683

43317

500

15555+14444

29999

500

57.3+29.07

86.37

500

215.147-11.11

204.037

500

555/1000+277/1000

832/1000 or 83.2/100