SOLUTION: Simplify: (4m/5n^2)-n/2m. Thank You

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Question 42858: Simplify: (4m/5n^2)-n/2m.
Thank You
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
We can do this a couple of ways...but let's convert each fraction to the LCD of 10mn^2...so we get
4m/5n^2 - n/2m =
8m^2/10mn^2 - 5n^3/10mn^2 =
(8m^2 - 5n^3) / 10mn^2