Ответ:

[tex] - 1 \frac{11}{39} [/tex]

Пошаговое объяснение:

[tex] | - \frac{5}{13} | - |1 \frac{2}{3} | = \frac{5}{13} - 1 \frac{2}{3} = \frac{5}{13} - \frac{5}{3} = \frac{15 - 65}{39} = \frac{ - 50}{39} = - \frac{50}{39} = - 1 \frac{11}{39} [/tex]