Zachary has 3/4 cup of orange juice
He drank 1/4 cup of the cup, that is 1/4 * 3/4 = 3 /16
So he drank 3/16 cup of the juice.
The much he has left is : 3/4 - 3 /16
Lcm of 4 and 16 is 16. 3/4 - 3 /16 = 12/16 - 3/16 = (12 - 3)/16 =
= 9/16
So he has 9/16 cup left.
