Question

Question in pic below.

Answer 1

5 (1/4) in - 1(1/3) in.

21/4- 4/3= (63-16)/12=47/12
=3 (11/12) in

Answer 2

5 1/4 - 1 1/3
= 5 3/12 - 1 4/12
= 4 - 1/12
= 3 11/12