Пошаговое объяснение:

[tex] - 17 \frac{2}{9} - 8 \frac{2}{9} = - \frac{153 + 2}{9} - \frac{8 \times 9 + 2}{9} = - \frac{155}{9} - \frac{8 \times 9 + 2}{9} = - \frac{155}{9} - \frac{72 + 2}{9} = - \frac{155}{9} - \frac{74}{9} = \frac{ - 155 - 74}{9} = - \frac{299}{9} [/tex]