(4 целых и 5/12+1 целая и 3/4): целых и 2/15-1 целая и 1/5=??????

Question

(4 целых и 5/12+1 целая и 3/4): целых и 2/15-1 целая и 1/5=??????

Answer 1

4 5/12 + 1 3/4 = 6 1/6

2/15-1 1/5= -1 1/15