Adding all numbers

Integers

100

-9 + -12

-21

200

-5 + 7

2

300

-33 + (-59)

-91

400

73 + (-95)

-22

500

-112 + 57

-55

Fractions

100

4/5 + (-2/5)

2/5

200

-1/2 + -1/3

-5/6

300

3/8 + (-2/3)

-7/24

400

-2/9 + (-5/12)

-23/36

500

4/15 + (-11/12)

-39/60 or -13/20

Decimals

100

4.7 + (-3.2)

1.5

200

-9.8 + (-4.9)

-14.7

300

18.3 + (-14.2)

4.1

400

25.4 + (-39.3)

-13.9

500

-97.54 + 100.27

2.73

Mixed Numbers

100

1 1/2 + 1 1/3 

17/6

200

-4 1/2 + (-3 1/5)

-77/10

300

-2 2/3 + (-6 1/2)

-55/6

400

7 1/3 + (-8 1/6)

-5/6

500

9 1/5 + (-10 1/2)

-13/10

Adding fractions and decimals

100

1/2 + (-.25)

.25

200

-3/5 + (-3.4)

-4

300

-3/8 + 5.835

5.46

400

13/20 + (-3.1)

-2.45

500

-11/15 + 2.5

106/60 or 53/30