\[p = - 4\frac{3}{4};\ \ \ \ \ k = 7\frac{3}{5}:\]
\[|p|\ :|k| = \left| - 4\frac{3}{4} \right|\ :\left| 7\frac{3}{5} \right| =\]
\[= \frac{19}{4}:\frac{38}{5} = \frac{19 \cdot 5}{4 \cdot 38} = \frac{5}{8}.\]