Answer
$\dfrac{3}{4}$
Work Step by Step
Cancelling the common factor between the numerator and the denominator, the given expression, $
\dfrac{12}{16}
,$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{\cancel{4}\cdot3}{\cancel{4}\cdot4}
\\\\=
\dfrac{3}{4}
\end{array}