Question

9/56 -(7/15-5/12)умножить(3/14+1/2)

Answer 1

9/56 -(7/15-5/12)*(3/14+1/2)=1/8

1) 7/15-5/12=28/60-25/60=3/60=1/20

2) 3/14+1/2=3/14+7/14=10/14=5/7

3) 1/20*5/7=1/28

4) 9/56-1/28=9/56-2/56=7/56=1/8