Michael V. answered 12/11/18
Retired military service member with 10+ years teaching experience
All you need to do is subtract the fractions.
First, change the mixed numbers to improper fractions.
4 1/2 becomes 9/2
2 3/8 becomes 19/8
Now make the denominators the same
by multiplying 9/2 by 4.
9/2 x 4/4 = 36/8
Now subtract.
36/8 - 19/8 = 17/8 = 2 1/8