Adding & Subtracting Rational Numbers

Adding Integers

100

-7 +10

3

200

-21+ (-5)

-26

300

-15 + 6

-9

400

-10 + (-15)

-25

500

-100 + 33

-67

Subtracting Integers

100

10 - (-3)

13

200

-12 - (-10)

-2

300

-15 - 12

-27

400

25 - 67

-42

500

10 - 14

-4

Adding Rational Numbers

100

5/8 +1/4

7/8

200

-5.75 + (-3.28)

-9.03

300

-3/4 + 1/2 

-1/4

400

4 1/2  + (-3/4) 

3 3/4

500

-35.6 + 3.51 

-32.09

Subtracting Rational Numbers

100

-1/8 - (-1/8)

0

200

-18.72 - 12.3

-31.02

300

-1/2 - 1/4

- 3/4

400

1/3 - 2/3 

-1/3 

500

-12.4 - (-14)

1.6