Answer
$\dfrac{-1}{8}$
Work Step by Step
Using rules on integer operations, the expression $
\dfrac{-3}{8}\div3
$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{-3}{8}\cdot\dfrac{1}{3}
\\\\=
\dfrac{-\cancel{3}}{8}\cdot\dfrac{1}{\cancel{3}}
\\\\=
\dfrac{-1}{8}
.\end{array}
