Calculate the difference
$\frac{ -\frac{ 7 }{ 2 } }{ -\frac{ 8 }{ 2 } }$
Cancel out the common factor
$2$
$\frac{ -7 }{ -8 }$
A fraction with a negative numerator and negative denominator is always positive
$\begin{align*}&\frac{ 7 }{ 8 } \\&0.875\end{align*}$