Simplify 1x+y−1xy\frac{\frac{1}{x+y} - \frac{1}{x}}{y}yx+y1−x1.
−1x(x+y)-\frac{1}{x(x+y)}−x(x+y)1
1x(x+y)\frac{1}{x(x+y)}x(x+y)1
−1x+y-\frac{1}{x+y}−x+y1
1x+y\frac{1}{x+y}x+y1