# what is the error in finding the sum?

3/10 + (-1/10) = 3+1/10 = 4/10 = 2/5

what is the correction?

## A positive plus a negative is a negative.

3/10 + (-1/10) = 2/10

3/10 + (-1/10) = 3+1/10 = 4/10 = 2/5

what is the correction?

3/10 + (-1/10) = 2/10