\[\boxed{\text{5.\ 45}}\]
\[\textbf{а)} - 1 + \frac{9}{11} = - \frac{2}{11}\]
\[\textbf{б)}\ \frac{5}{7} - 3 = - 2\frac{2}{7}\]
\[\textbf{в)}\ 4 - \frac{1}{9} = 3\frac{8}{9}\]
\[\textbf{г)}\ 1 - \frac{11}{17} = \frac{6}{17}\]
\[\textbf{д)} - 3 - \frac{2}{5} = - 3\frac{2}{5}\]
\[\textbf{е)} - 6 - 4\frac{4}{9} = - 10\frac{4}{9}\]