A)5/12-1/3 б)1/5-3/20 в)7/8-5/12 г)9/10-1/6

Question

A)5/12-1/3 б)1/5-3/20 в)7/8-5/12 г)9/10-1/6

Answer 1

5/12-1/3=5/12-4/12=1/12
1/5-3/20=4/20-3/20=1/20
7/8-5/12=21/24-10/24=11/24
9/10-1/6=27/30-5/30=22/30=11/15