Question

Привести к общему знаменателю ​

Answer 1

$\displaystyle\\\frac{3}{10xy}=\frac{3*3}{3*10xy}=\frac{9}{30xy}\\\\\\\frac{5}{6xy} =\frac{5*5}{5*6xy}=\frac{25}{30xy}\\\\\\\\\frac{1}{2x}=\frac{x*1}{x*2x} =\frac{x}{2x^2}\\\\\\\frac{3}{2x^2}$