# Re-arranging an equation

• May 5th 2010, 03:17 PM
jpquinn91
Re-arranging an equation
Is it possible to re-arrange 2-1/(n-1)+1/n(n-1) to get 2-1/n? Thanks
• May 5th 2010, 03:22 PM
Anonymous1
Quote:

Originally Posted by jpquinn91
Is it possible to re-arrange 2-1/(n-1)+1/n(n-1) to get 2-1/n? Thanks

Are you sure you wrote this correctly? $(2-1) = 1$ so $...$

$\frac{1}{n-1}+\frac{1}{n(n-1)} = \frac{n}{n(n-1)}+\frac{1}{n(n-1)} = \frac{n+1}{n(n-1)}$