Решение:
\[ \frac{5}{6} - \frac{3}{2} = \frac{5}{6} - \frac{3 \times 3}{2 \times 3} = \frac{5}{6} - \frac{9}{6} = \frac{5 - 9}{6} = \frac{-4}{6} = -\frac{2}{3} \]
\[ \frac{1}{3} \times \left(-\frac{2}{3}\right) = -\frac{1 \times 2}{3 \times 3} = -\frac{2}{9} \]
\[ 1 - \left(-\frac{2}{9}\right) = 1 + \frac{2}{9} = \frac{9}{9} + \frac{2}{9} = \frac{9 + 2}{9} = \frac{11}{9} \]
\[ \frac{11}{9} \approx 1.222 \]
Ответ: 11/9 (или приблизительно 1.222).