\[\boxed{\mathbf{2.}\mathbf{340}\mathbf{.\ ОК\ ГДЗ - домашка\ на\ }5}\]
\[\textbf{а)}\ 1 - \frac{1}{3} = \frac{2}{3}\]
\[\textbf{б)}\ \frac{5}{6} - \frac{1^{\backslash 2}}{3} = \frac{5}{6} - \frac{2}{6} = \frac{3}{6} = \frac{1}{2}\]
\[\textbf{в)}\ \frac{1^{\backslash 3}}{2} - \frac{1^{\backslash 2}}{3} = \frac{3}{6} - \frac{2}{6} = \frac{1}{6}\]
\[\textbf{г)}\ 1\frac{1}{12} - \frac{1^{\backslash 4}}{3} = \frac{13}{12} - \frac{4}{12} = \frac{9}{12} =\]
\[= \frac{3}{4}\]
\[\textbf{д)}\ 2\frac{5}{24} - \frac{1^{\backslash 8}}{3} = 1\frac{29}{24} - \frac{8}{24} =\]
\[= 1\frac{21}{24} = 1\frac{7}{8}\]