Question

What fraction more of the coupon books did Jabar sell than Guto?

Answer 1

1/20

Explanation:

Take 1/12 and 2/15 and find a common denomitator of 180 then multiply the tops to get 24/180 for 1/2 and 15/180 for 2/15 and then subtract to get 9/180

Finally simify to get 1/20