Adding & Subtracting Rational Numbers

Adding Fractions

100

-5 1/3 + 8 2/3

 3 1/3

200

4 5/6 + (-1 2/3)

3 1/6

300

-18 7/9 + 7 4/9

-11 1/3

Subtracting Fractions

100

-8 1/2 - 4

 -12 1/2

200

7 3/8 - (-2 1/8)

9 1/2

300

-26 2/5 - ( -11 1/5)

-15 1/5

Adding Decimals

100

-13.4 + 8.6

-4.8

200

7.51 + 22.08

29.59

300

-41.90 + 22

 19.90

Subtracting Decimals

100

-3.7 - 14.9

 -18.6

200

22.43 - 4.07

 18.36

300

-81.36 - 41.93

 -123.29