\[\large \frac{\frac{3}{x} + \frac{4}{y} }{\frac{2}{xy}}\]\[\large =\frac{\frac{3y}{xy} + \frac{4x}{xy} }{\frac{2}{xy}}\]\[\large =\frac{\frac{3y+4x}{xy} }{\frac{2}{xy}}\]\[\large =\frac{3y+4x}{xy} \times \frac{xy}{2}\]Cross out the common factor, multiply the rest, can you?