\( -\frac{1}{3} + (-\frac{1}{2}) = -\frac{1}{3} - \frac{1}{2} = -\frac{2}{6} - \frac{3}{6} = \frac{-2 - 3}{6} = -\frac{5}{6} \)
Ответ: -\(\frac{5}{6}\)