Adding and Subtracting Rational Numbers

Front

-6.5 + (-0.5)

Back

-7

Front

When adding rational numbers with the same sign, you must:

Back

Add together and keep the sign

Front

34.5 + (-7)

Back

27.5

Front

-3½ - 4½ =

Back

-8

Front

-6.23 - 7.5

Back

-13.73

Front

1/4 - 5/6

Back

- 7/12

Front

-1⅔ - (-1 ⅘)

Back

2/15

Front

Subtract.

Back

11.25

Front

-4.7 + 18.5

Back

13.8

Front

-4 - 10

Back

-14