Question

Вычтите дроби
1-7/12
8-3/5
13 3/5-6
12-4 3/4
10 1/2-4 5/14
5 3/8-35/6
28 5/8-23 3/8
12 7/12+3 8/9-4 3/4

Answer 1

1-7/12=1/1-7/12=(12-7)/12=5/12