2. Найди значения выражений: 1-\frac{7}{15}= 4-2\frac{5}{8}= 5\frac{2}{9}-\frac{4}{9}= 8\frac{1}{11}-4\frac{5}{11}=

1 - $$\frac{7}{15}$$ = $$\frac{15}{15}$$ - $$\frac{7}{15}$$ = $$\frac{8}{15}$$

4 - 2$$\frac{5}{8}$$ = 3$$\frac{8}{8}$$ - 2$$\frac{5}{8}$$ = 1$$\frac{3}{8}$$

5$$\frac{2}{9}$$ - $$\frac{4}{9}$$ = 4$$\frac{11}{9}$$ - $$\frac{4}{9}$$ = 4$$\frac{7}{9}$$

8$$\frac{1}{11}$$ - 4$$\frac{5}{11}$$ = 7$$\frac{12}{11}$$ - 4$$\frac{5}{11}$$ = 3$$\frac{7}{11}$$

Ответ: 1) $$\frac{8}{15}$$, 2) 1$$\frac{3}{8}$$, 3) 4$$\frac{7}{9}$$, 4) 3$$\frac{7}{11}$$