Question

To make a sandwich Steve uses 1/8 lb of ham and 1/5 of cheese. How much more cheese than ham does he use?

A 1/3
B 3/40
C 1/20
D 1/10

Answer 1

To subtract, you first need a common denominator.

Answer 2

The least common multiple of 5 and 8 is 5 * 8 = 40, so we need to use 40 as our common denominator.