Question

Помогите!!!
15 - 7 4/9
2 + 8 7/12 - 5 5/6

Answer 1

1. 15-7 4/9=14 9/9-7 4/9=7 5/9.
2. 2+8 7/12-5 5/6=10 7/12-5 10/12=9 19/12-5 10/12=4 9/12=4 3/4.