Question

What is the unit rate of 15 and 12

Answer 1

15 12 ÷ 15 12

We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 15

15 12 ÷ 15
15 12 ÷ 15
=
1 12
1 12
=
1 12
12
= 1 12 per 12