Question

Вычитание дробей
$\frac{3y}{4(y-1)} -\frac{2y}{5(y-1)\\}$

Answer 1

$\frac{3y}{4(y-1)} -\frac{2y}{5(y-1)\\} = \frac{7y}{20(y-1)} = \frac{7y}{20y-20}$