SOLUTION: How do you add and subtract rational expressions that have different polynomials in the denominator

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Question 141206: How do you add and subtract rational expressions that have different polynomials in the denominator
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
You have to put them over a common denominator. Do the same process you use when adding/subtracting regular old fractions. See this link --> http://www.purplemath.com/modules/fraction5.htm