$\frac{p^{2}q+2pq-5p}{p{q}^2-5pq}$

$\frac{p^{2}q+pq+p(q-5)}{p^2{q}^2-5p^{2}q}$

$\frac{p+1+p(q-5)}{q-5+p{q}^2-5pq}$

$\frac{p^{2}q+pq-5p}{p{q}^2-5pq}$