12 7/15-9 3/4+5 11/12

Question

12 7/15-9 3/4+5 11/12

Answer 1

12 7\5 - 9 3\4 = 12 28\60 - 9 45\60 = 11 88\60 - 9 45\60 = 2 43\60
2 3\60 + 5 55\60 = 8 19\30