SOLUTION: how do you simplify adding,and subtracting fractions?

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Question 106072: how do you simplify adding,and subtracting fractions?
Answer by jgr45(31) About Me  (Show Source):
You can put this solution on YOUR website!
a%2Fb+c%2Fd = %28ad+%2B+bc%29%2Fbd
and
a%2Fb-c%2Fd = %28ad+-+bc%29%2Fbd
This, of course, assumes that no denominator can ever be zero.