\[\frac{5m^{\backslash 10ab}}{3ab} + \frac{2m^{\backslash 6b}}{5a^{2}b} - \frac{7p^{\backslash 15}}{2a^{2}b^{2}} =\]
\[= \frac{50abm + 12bm - 105p}{30a^{2}b^{2}}.\]