Question

What is -3 2/7 - -5/7?

Answer 1

4

Explanation:

Convert -3 2/7 to a improper fraction to get -23/7

-23/7-5/7= 28/7 or 4

Answer 2

- 2 4/7

Explanation:

-3 2/7 - -5/7

Subtracting a negative is like adding

-3 2/7 +5/7

Since the signs are difference we subtract and take the sign of the larger term

3 2/7 - 5/7

We need to borrow from the 3

2 + 7/7 + 2/7 - 5/7

2 9/7 - 5/7

2 4/7

The sign of the larger term was negative so

- 2 4/7