Solve: Adding Negative Decimals (-0.21) + (-0.79)

Question

(0.21)+(0.79)= (-0.21)+(-0.79)=

Video Solution

Step-by-Step Solution

Using the following rule:

+(x)=x +(-x)=-x

Let's rewrite the exercise as seen below:

0.210.79= -0.21-0.79=

Since we are subtracting from a negative number, the result will be negative.

Therefore:

0.210.791.00 -0.21\\-0.79\\-1 .00

Answer

1 -1