Question

7/8 - (- 2 + 3/4) = (____________ + ____________) + 7/8

Answer 1

7/8 - (- 2 + 3/4) = (2 - 3/4) + 7/8
7/8 - (- 2 + 3/4) = (8/4 - 3/4) + 7/8
7/8 - (- 2 + 3/4) = 5/4 + 7/8
7/8 - (- 2 + 3/4) = 10/8 + 7/8
7/8 - (- 2 + 3/4) = 17/8

Therefore, (____________ + ____________) + 7/8 = 17/8.