SOLUTION: 13/f-8 + 1/8-f Can you show me how to do that I have about 10 of those types of problems.

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: 13/f-8 + 1/8-f Can you show me how to do that I have about 10 of those types of problems.      Log On

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Question 44998: 13/f-8 + 1/8-f
Can you show me how to do that I have about 10 of those types of problems.
Answer by adamchapman(301) About Me  (Show Source):
You can put this solution on YOUR website!
13%2F%28f-8%29++%2B+1%2F%288-f%29
Multiply everything by the denominators.
First, multiply by (f-8):
13++%2B+%28f-8%29%2F%288-f%29
Now multiply by (8-f):
13%288-f%29++%2B+%28f-8%29
Expand the brackets:
104-13f%2Bf-8
96-12f
That is the most simple form to write the fraction you started with.
I hope this helps.
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk
Adam