1. Найдем значения выражений:
2. $\frac{47}{9} - \frac{2}{9} = \frac{47-2}{9} = \frac{45}{9} = 5$
3. $\frac{38}{5} - \frac{3}{5} = \frac{38-3}{5} = \frac{35}{5} = 7$
4. $\frac{29}{8} - \frac{5}{8} = \frac{29-5}{8} = \frac{24}{8} = 3$
5. $\frac{2}{15} + \frac{7}{15} = \frac{2+7}{15} = \frac{9}{15} = \frac{3}{5}$
6. $\frac{7}{10} + \frac{1}{10} = \frac{7+1}{10} = \frac{8}{10} = \frac{4}{5}$
7. $\frac{8}{9} - \frac{2}{9} = \frac{8-2}{9} = \frac{6}{9} = \frac{2}{3}$
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