Math simplification problem :(? - XP Math - Forums

 XP Math - Forums Math simplification problem :(?

 07-27-2007 #1 Battle Born Guest   Posts: n/a Math simplification problem :(? Can someone explain this for me?A+B/((1/B)+(1/A))The answer is AB but I don't know how to get to that.
 07-27-2007 #2 Jose E Guest   Posts: n/a A+B/((1/B)+(1/A))=a+b/((a/ab)+ (b/ab))=a+b/(a+b/ab)=(a+b) * ab/(a+b)=ab
 07-27-2007 #3 danny_gringo Guest   Posts: n/a somebody nailed it
 07-27-2007 #4 spirit dummy Guest   Posts: n/a to simplify (1/B + 1/A) multiply both terms by AB / AB giving:AB/B + AB/A) / AB = (A + B) /AB so ==> (A + B) / ((A + B) / AB) = AB
 07-27-2007 #5 aeiou Guest   Posts: n/a A+B/((1/B)+(1/A))A + B------------- =1/B + 1/ALDC(B e A) = ABA + B--------------- =(A + B)/ABSimplifyingA+B)*(AB/A+B) = AB>

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