Find an Equivalent Expression with the Given Denominator $\frac{5}{9 x}=\frac{?}{9 x y}$

Multiple Choice

Find an equivalent expression with the given denominator.
- $\frac{5}{9 x}=\frac{?}{9 x y}$

A) $\frac{y}{9 x y}$
B) $\frac{5 x y}{9 x y}$
C) $\frac{45 y}{9 x y}$
D) $\frac{5 y}{9 x y}$