Рациональный знаменатель
[src]
2 / 2 \
3*x *\y + x*y/
---------------
15*x + 15*y
$$\frac{3 x^{2} \left(x y + y^{2}\right)}{15 x + 15 y}$$
3 2 2
3*y*x 3*x *y
----------- + -----------
15*x + 15*y 15*x + 15*y
$$\frac{3 x^{3} y}{15 x + 15 y} + \frac{3 x^{2} y^{2}}{15 x + 15 y}$$
3*y*x^3/(15*x + 15*y) + 3*x^2*y^2/(15*x + 15*y)
2 / 2 \
x *\y + x*y/
-------------
5*(x + y)
$$\frac{x^{2} \left(x y + y^{2}\right)}{5 \left(x + y\right)}$$
/ 2 \
2 |y x*y|
x *|-- + ---|
\5 5 /
-------------
x + y
$$\frac{x^{2} \left(\frac{x y}{5} + \frac{y^{2}}{5}\right)}{x + y}$$
x^2*(y^2/5 + x*y/5)/(x + y)