Question

Помогите пожалуйста
4x/21y(4):6x(2)/7y

Answer 1

4x/21y^4 *7y/6x²=2/9хy³

Answer 2

$\frac{4x}{21y^4} : \frac{6 x^{2} }{7y}= \frac{4x}{21y^4}* \frac{{7y} }{6x^2}= \frac{2}{9xy^3}$