6 2/3+2 4/15+5 1/2):1/15-30:5/28

Question

6 2/3+2 4/15+5 1/2):1/15-30:5/28

Answer 1

(20/3+34/15+11/2)*15-30*28/5=(200/30+68/30+165/30)*15-168=433/30*15-168=433/2-168=216,5-168=48,5