\[ \frac{\pi}{2} + \frac{\pi}{3} = \frac{3\pi}{6} + \frac{2\pi}{6} = \frac{5\pi}{6} \]
\[ \frac{5\pi}{6} \text{ и } \pi \]
Ответ: \(\frac{\pi}{2} + \frac{\pi}{3} < \pi\)