SOLUTION: please help me siplifyig{{{1/1+1/xab + 1/1+1/xba}}}

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Question 22286: please help me siplifyig1%2F1%2B1%2Fxab+%2B+1%2F1%2B1%2Fxba
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
1%2F1+%2B+1%2Fxab+%2B+1%2F1+%2B+1%2Fxba First, 1%2F1+=+1 and 1%2B1+=+2
2+%2B+1%2Fxab+%2B+1%2Fxba Now, 1%2Fxab+=+1%2Fxba and 1%2Fxab+%2B+1%2Fxab+=+2%2Fxab
2+%2B+2%2Fxab Now add the two fractions, common denominator is xab.
2+%2B+2%2Fxab+=+%282xab+%2B+2%29%2Fxab = 2%28xab+%2B+1%29%2Fxab