Question

(7/8-3/5)÷(2/3+1/2)×(60÷4целых5/7

Answer 1

1)7/8-3/5=11/40
2)2/3+1/2=7/6
3)60/4 5/7=60/33/7=420/33
4)11/40:7/6=11/40*6/7=33/140
5)33/140*420/33=3