First factor the numerator and denominator.

32 = 2 · 2 · 2 · 2 · 2

48 = 2 · 2 · 2 · 2 · 3

The GCF is the product of the common prime factors in each term.

GCF = 2 · 2 · 2 · 2 = 16

Divide the numerator and the denominator by GCF.

Simplifies form of the fraction is .