so what you should do is mulitply [tex] \frac{a+1}{a} [/tex] by [tex] \frac{a+1}{a+1} [/tex] and multiply [tex] \frac{a}{a+1} [/tex] by [tex] \frac{a}{a} [/tex]=[tex] \frac{(a+1)(a+1)}{(a)(a+1)}- \frac{(a)(a)}{(a)(a+1)} = \frac{(a+1)^{2}-(a^{2})}{(a)(a+1)}[/tex]
WAIT I WILL BE BACK TO CORRECT AFTER DINNER