Answer
$\dfrac{5}{3}$
Work Step by Step
Cancelling the common factor between the numerator and the denominator, the given expression, $
\dfrac{15}{9}
,$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{\cancel{3}\cdot5}{\cancel{3}\cdot3}
\\\\=
\dfrac{5}{3}
\end{array}
