Expression: $\frac{ 5 }{ 8 }-\left( -\frac{ 7 }{ 8 } \right)$
When there is a $-$ in front of an expression in parentheses, change the sign of each term of the expression and remove the parentheses $\frac{ 5 }{ 8 }+\frac{ 7 }{ 8 }$
Add the fractions $\begin{align*}&\frac{ 3 }{ 2 } \\&\begin{array} { l }1 \frac{ 1 }{ 2 },& 1.5\end{array}\end{align*}$