There are 30 students in a class and 18 of them own at least one pet. What fraction of the class own pets? Give your answer in its simplest form.

3/5

Step-by-step explanation:

So since 18 students own pets we can write the fraction as "18/30"

18 and 30 both have a gcf of 6

So lets divide the numerator and denominator by 6:

18/6=3

30/6=5

So 3/5 of the whole class owns a pet