Posted by bb on Wednesday, January 30, 2008 at 7:15pm.
What is the common denominator?
3 2
 + 
1 a1

4 3
  
1 a+1

algebra  Damon, Wednesday, January 30, 2008 at 7:24pm
If your denominator on the top is (a1) and your denominator on the bottom is (a+1) then your common denominator is (a1)(a+1) which by the way is (a^21)

algebra  Damon, Wednesday, January 30, 2008 at 7:48pm
"........but others as well."
Good! That is the whole idea :) You are very welcome.
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