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Subtract Positive and Negative Numbers
Add Positive and Negative Numbers
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Fraction of a Number
Add Fractions
100

-2 - (-3) = 

1

100

0 + -8 =

-8

100

3 + -3 =

0

100

1/2 of 20 =

10

100

1/20 + 1/5 = 

1/4

200

8 - (-4) =

12

200

-6 + -4 = 

-10

200

-1 + -1 =

-2

200

1/4 of 36 =

9

200

2/3 + 1/6 =

5/6

300

4 - 7 = 

-3

300

25 + -85 = 

-60

300

7/8 x 4/5 = 

7/10

300

5/6 of 24 = 

20

300

19/24 + 1/6 = 

23/24

400

2 - (-3) = 

5

400

25 + -53 =

-28

400

1/2 div 3/14 =

2 1/3

400

2/3 of 75 =

50

400

1/4 + 1/6 = 

5/12

500

-5 - 8 = 

-13

500

-24 + 73 = 

49

500

reduce 25/60

5/12

500

8/15 of 90 = 

48

500

8/15 + 3/10 =

5/6