Answer
$\dfrac{4x}{5}$
Work Step by Step
Cancelling the common factor between the numerator and the denominator, the given expression, $
\dfrac{68xyz}{85yz}
,$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{\cancel{17yz}\cdot4x}{\cancel{17yz}\cdot5}
\\\\=
\dfrac{4x}{5}
\end{array}
