Реши примеры с дробями на изображении

Решаю примеры по порядку: 1. $$7\frac{5}{9} - 6\frac{7}{9} = 6\frac{14}{9} - 6\frac{7}{9} = \frac{7}{9}$$ 2. $$\frac{9}{13} + \frac{7}{13} = \frac{16}{13} = 1\frac{3}{13}$$ 3. $$8\frac{8}{13} + 6\frac{5}{13} = 14\frac{13}{13} = 15$$ 4. $$1\frac{3}{5} - \frac{4}{5} = \frac{8}{5} - \frac{4}{5} = \frac{4}{5}$$ 5. $$\frac{7}{11} + \frac{8}{11} = \frac{15}{11} = 1\frac{4}{11}$$ 6. $$6\frac{4}{9} - 4 = 2\frac{4}{9}$$ 7. $$5\frac{9}{17} + 7\frac{12}{17} = 12\frac{21}{17} = 13\frac{4}{17}$$ 8. $$1\frac{8}{13} - \frac{9}{13} = \frac{21}{13} - \frac{9}{13} = \frac{12}{13}$$ 9. $$\frac{10}{16} + \frac{9}{16} = \frac{19}{16} = 1\frac{3}{16}$$ 10. $$8\frac{3}{11} - 7\frac{5}{11} = 7\frac{14}{11} - 7\frac{5}{11} = \frac{9}{11}$$ **Ответы:** 1. $\frac{7}{9}$ 2. $1\frac{3}{13}$ 3. 15 4. $\frac{4}{5}$ 5. $1\frac{4}{11}$ 6. $2\frac{4}{9}$ 7. $13\frac{4}{17}$ 8. $\frac{12}{13}$ 9. $1\frac{3}{16}$ 10. $\frac{9}{11}$