Question

9 7/8+5 2/7+1 1/8+4 5/7

Answer 1

1)9 78 + 5 27 = 9 4956 + 5 1656 = 14  49+16 =14 6556 = 15 956  

2) 1 18 +4 57 = 1  756 + 4  4056 = 5 7+40= 5 4756

3) 15 956 + 5 4756 = 20 9+47 = 20 5656 = 21