14/15*(-1целых 3/7)-7/10*3/14

Question

14/15*(-1целых 3/7)-7/10*3/14

Answer 1

-(14*10/15*7) - ( 7*3/10*14) = -4/3 - 3/20 = - (80/60 + 9/60) = - 89/60 = -1целых 29/60