Juanita is mixing orange and blue paint to make yellow paint. She has 5/8 of a gallon of blue paint, but she needs 7/8 of a gallon. How much more blue paint does she need? Simplify the answer.
1 answer
Juanita still needs 2/8 = 1/4 of a gallon of blue paint. Answer: \boxed{\dfrac{1}{4}}.