Question

54 1/2-42 3/4

45 3/8- 13 3/4

Answer 1

11 3/4

31 5/8

Explanation:

1. 54 1/2 - 42 3/4

= 109/2 -171/4

= 218-171/4

= 47/4

= 11 3/4

2. 45 3/8 - 11 3/4

= 363/8 -55/4

= 363-110/8

= 253/8

= 31 5/8