Adding and Subtracting Signed Fractions and Decimals

-15.35 - 7.8

• -7.55

• -16.13

• -23.15

• -14.57

-23.4 - 3.4= 

• -20

• 26.8

• -26.8

• 20

-6.5 + (-0.5) 

• -7

• 7

• 6

• -6

-7.8 + (-0.8)

• 8.6

• -8.6

• 7

• -7

-12.4 + 9.2 + 1 

Mathematical Equivalence

ON

-40 + 15.05= 

• 55.05

• 24.95

• -24.95

• 14.65

-6.25 + 7

• -0.75

• 0.75

• 13.25

• -13.25

-3.133 + -0.24

• 3.373

• 2.893

• -3.373

• -2.893

What is the value of -4.5 - 6 ?

• 10.5

• -10.5

• -3.9

• 3.9

Subtract

9.43 − 3.34

• 12.77

• 6.09

• 6.90

• 60.09