How many twelfths equal five-fourths

15

Step-by-step explanation:

Let n represent the number of twelvths in 5/4.

Expressed symbolically, this is n/12 = 5/4.

The LCD is 12. Multiply numerator and denominator of 5/4 by 3, obtaining:

n/12 = 15/12. Then n = 15.

There are 15 twelves in 5/4.