SOLUTION: i need to simplify: { { {4/x-3/y / 9/y-10/x } } } in this case, the middle "/" is the division sign

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Question 30710: i need to simplify:
{ { {4/x-3/y / 9/y-10/x } } }
in this case, the middle "/" is the division sign
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(4/x-3/y) / (9/y-10/x) original
(xy)(4/x-3/y) / (xy)(9/y-10/x) multiply by lowest common denominator
(4y - 3x) / (9x - 10y) is your simplified answer!