Answer
$\dfrac{2}{3}$
Work Step by Step
To combine fractions, make sure that the fractions have the same denominators before combining their numerators.
\begin{align}
\dfrac{ 7 }{ 12 } - (-\dfrac{ 1 }{ 12 }) &= \dfrac{ 7 }{ 12 } + \dfrac{ 1 }{ 12 } &&\text{Change the sign} \\
&= \dfrac{ 7 + 1 }{ 12 } &&\text{Add the numerators} \\
&= \dfrac{ 8 }{ 12 } \\
&= \dfrac{ 8 \div 4 }{ 12 \div 4 } &&\text{Reduce to lowest terms} \\
&= \boxed{ \dfrac{ 2 }{ 3 } }
\end{align}
