Question

Robin puts 5/8 cups of water into her recipe. Noel puts 1/3 the amount of water that robin put in her recipe. How much water does Noel put in her recipe?

Answer 1

5/8 * 1/3 = 5/24 which is the answer

Answer 2

You are going to subtract.
5/8 - 1/3 equals  to 7/24

Hope this helps :)