$\frac{ 5 }{ 8 }-\left( -\frac{ 5 }{ 4 } \right)$
When there is a $-$ in front of an expression in parentheses, change the sign of each term of the expression and remove the parentheses$\frac{ 5 }{ 8 }+\frac{ 5 }{ 4 }$
Add the fractions$\begin{align*}&\frac{ 15 }{ 8 } \\&\begin{array} { l }1 \frac{ 7 }{ 8 },& 1.875\end{array}\end{align*}$