Question

What does 1-3/8 equal?

Answer 1

You turn 1 to 8/8 and then you subtract. 8/8-3/8=5/8.

Answer 2

For this question you can say: 
1 = 8/8 
so now you can say:
8/8 - 3/8 = 5/8 :)))
i hope this is helpful 
have a nice day