Question

Sarah has 2/3 gallon of blue paint and 7/12 gallon of red paint. If she has a total of 2 1/8 gallons of paint, how many gallons are neither red nor blue?

Answer 1

7/8 of a gallon

2/3=16/24
7/12=14/24
2 1/8=51/24

14+16=30
51-30=21
so your final answer is 21/24 or 7/8