Bryan brough 8/10 gallon of water on a hiking trip he drank 4/10 gallon of water how much water is left

Hi there!

In order to solve this problem, we'll need to subtract the two quantities.
Here is the equation that we'll use to find out how much water is left: 8/10 - 4/10 = how much water is left. Next, we'll subtract 4 from 8 and since the denominators of both fractions are the same, we don't have to do any tricks! Subtracting the two values gives us: 4/10. We can simplify this to: 2/5 of a gallon of water is left.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!