What is the difference between these fractions?

+3/4 - (+7/8)

-1/2

Step-by-step explanation:

1/4 ≤ 3/4 ≤ 3/4 so round it to 1/2.

7/8 > 3/4 so round it to 1.

1/2 - 1 = - 1/2

-1/8

Step-by-step explanation:

3/4 - 7/8

Get a common denominator of 8

3/4 * 2/2 - 7/8

6/8 - 7/8

Since the signs are different, take the larger number, subtract the smaller number, then take the sign of the larger.

Larger - smaller

7/8 - 6/8

1/8

The sign of the larger is negative

-1/8