Answer
$\dfrac{-x+2}{20}$
Work Step by Step
Using the $LCD=
20
$, the given expression, $
\dfrac{x}{5}-\dfrac{x}{4}+\dfrac{1}{10}
,$ simplifies to
\begin{array}{l}
\dfrac{4(x)-5(x)+2(1)}{20}
\\\\=
\dfrac{4x-5x+2}{20}
\\\\=
\dfrac{-x+2}{20}
.\end{array}
