2.251 Найдите разность: ж) $$17\frac{2}{3} - 6\frac{7}{8}$$

ж) $$17\frac{2}{3} - 6\frac{7}{8} = 17\frac{2\cdot8}{3\cdot8} - 6\frac{7\cdot3}{8\cdot3} = 17\frac{16}{24} - 6\frac{21}{24} = (17-6) + (\frac{16}{24} - \frac{21}{24}) = 11 - \frac{5}{24} = 10\frac{24}{24} - \frac{5}{24} = 10\frac{24-5}{24} = 10\frac{19}{24}$$

Ответ: $$10\frac{19}{24}$$