Question

A chemical plant takes in 5 1/2 million gallons of water from a local river and discharges 3 2/3 million directly back into the river. How much water does not go directly back into the river?

Answer 1

5 3/6 - 3 4/6 = 4 9/6 - 3 4/6 = 1 5/6

Answer 2

5 1/2 - 3 2/3 =

5 3/6 - 3 4/6

4 9/6 - 3 4/6 = 1 5/6 million gallons