What is 3/5 + (-7/5)

-4/5

Steps:

3/5 + (-7/5)

You are adding a negative number to another number. So, you have to subtract the second number from the first number.

3/5 - 7/5

When you have two of the same numbers on the bottom of the fraction bars, keep that same number and put it under one fraction bar. Then keep the two numbers on top of the fraction bars with the subtraction sign.

(3-7) / 5

Subtract the two numbers on top of the fraction bar.

Answer: - 4/5