Question

solve x/(x+1)-x/(x+2)

Answer 1

$\frac{x}{x + 1} - \frac{x}{x + 2} \\ = \frac{x(x + 2) - x(x + 1)}{(x + 1)(x + 2)} \\ = \frac{ {x}^{2} + 2x - {x}^{2} - x }{(x + 1)(x + 2)} \\ = \frac{x}{(x + 1)(x + 2)}$