Patel squeezed oranges so that his family could have fresh-squeezed juice for breakfast. He squeezed 15/13 cups from the first orange, 1/5 cups from the second orange, 9/20 cups from the third orange, 5/11 cups from the fourth orange, and7/15 cups from the fifth orange. Patel estimates that he needs 3 cups of orange juice for his family. About how much more orange juice does he need to reach his estimate?
A.1/2 cups B.1 cups C.1 1/2 cups D.2 1/2 cups