\[\frac{2n - 5m^{\backslash m}}{n} + \frac{6n^{2} + 5m^{2}}{\text{mn}} =\]
\[= \frac{2mn - 5m^{2} + 6n^{2} + 5m^{2}}{\text{mn}} =\]
\[= \frac{6n^{2} + 2mn}{\text{mn}} =\]
\[= \frac{2 \cdot (3n + m)}{n}\]