How do you reduce fractions?

Find the GCF of the numerator and the denominator. If the GCF is greater than 1, divide both numbers by it. If the GCF is 1, the fraction is already in its simplest form.

Example 30/42.

The GCF of 30 and 42 is 6.

The reduced fraction is 5/7.
Find the GCF of the numerator and the denominator. If the GCF is greater than 1, divide the numerator and denominator by it. If the GCF is 1, the fraction is already in its simplest form.