Answer
$\frac{y}{3}$
Work Step by Step
We simplify the fraction $\frac{5xy}{15x}$ by dividing by $\frac{5x}{5x}$:
$\frac{5xy\div5x}{15x\div5x}=\frac{y}{3}$
The fraction $\frac{y}{3}$ is in simplest form because the only common factor of the numerator and the denominator is $1$.
