Evaluate: (-17)/(20)

Expression: $\frac{ -17 }{ 20 }$

Use $\frac{ -a }{ b }=\frac{ a }{ -b }=-\frac{ a }{ b }$ to rewrite the fraction

$\begin{align*}&-\frac{ 17 }{ 20 } \\&-0.85\end{align*}$