5.335 Приведите к несократимой дроби: a) 2-7 3-59-4 11-5 6-5 7-3 4-7 8-11 б) 4-3 2-3 21-6 3-7 7-8 3-10 21-7 21-24

Решение: a) $$\frac{2}{6} = \frac{1}{3}$$ $$\frac{7}{5} = \frac{7}{5}$$ $$\frac{3}{7} = \frac{3}{7}$$ $$\frac{5}{4} = \frac{5}{4}$$ $$\frac{9}{8} = \frac{9}{8}$$ $$\frac{4}{11} = \frac{4}{11}$$ б) $$\frac{3}{7} = \frac{3}{7}$$ $$\frac{4}{8} = \frac{1}{2}$$ $$\frac{2}{3} = \frac{2}{3}$$ $$\frac{3}{10} = \frac{3}{10}$$ $$\frac{6}{7} = \frac{6}{7}$$ $$\frac{21}{21} = 1$$ $$\frac{3}{21} = \frac{1}{7}$$ $$\frac{7}{24} = \frac{7}{24}$$ Ответ: a) $$\frac{1}{3}$$, $$\frac{7}{5}$$,$$\frac{3}{7}$$, $$\frac{5}{4}$$, $$\frac{9}{8}$$, $$\frac{4}{11}$$; б) $$\frac{3}{7}$$, $$\frac{1}{2}$$, $$\frac{2}{3}$$, $$\frac{3}{10}$$, $$\frac{6}{7}$$, $$1$$, $$\frac{1}{7}$$, $$\frac{7}{24}$$