How do we add and subtract rational expressions ?

Adding and Subtracting Rational Expressions: @>------

*** Make sure you have common denominators ***

Steps :

1. Combine the numerators together
2. Put the sum found in Step 1 over the common denominator.
3. Reduce if necessary .




 



 Ex :   

Part 1 :   Adding Rational Expressions

10S               3S                  13

------     +                =               

 A - 2           A -2                A-2

Part 2 : Subtracting Rational Expressions

 12               10              2

------     -               =         

 G+8       G+8      G+8

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