Compare the ratio of the longest side 15 1/2 to 4 1/4 write the ratio as a simplified fraction

First, convert the mixed numbers to improper fractions:

15 1/2=31/2

4 1/4=17/4

now, we have to find the ratio of 31/2 to 17/4

multiply both by 4 to get rid of the denominator (this won't change the ratio because we're multiplying both by 4)

so the ratio is 62 to 17=62/17=3 11/17