5.357 Сократите дроби: а) 6/10, 6/18, 9/15, 9/24 б) 2/12, 3/15, 30/6, 7/42 в) 12/60, 99/22, 5/100, 20/1000

а)

$$\frac{6}{10} = \frac{3}{5}$$

$$\frac{6}{18} = \frac{1}{3}$$

$$\frac{9}{15} = \frac{3}{5}$$

$$\frac{9}{24} = \frac{3}{8}$$

б)

$$\frac{2}{12} = \frac{1}{6}$$

$$\frac{3}{15} = \frac{1}{5}$$

$$\frac{30}{6} = 5$$

$$\frac{7}{42} = \frac{1}{6}$$

в)

$$\frac{12}{60} = \frac{1}{5}$$

$$\frac{99}{22} = \frac{9}{2}$$

$$\frac{5}{100} = \frac{1}{20}$$

$$\frac{20}{1000} = \frac{1}{50}$$

Ответ: a) $$\frac{3}{5}$$, $$\frac{1}{3}$$, $$\frac{3}{5}$$, $$\frac{3}{8}$$, б) $$\frac{1}{6}$$, $$\frac{1}{5}$$, 5, $$\frac{1}{6}$$, в) $$\frac{1}{5}$$, $$\frac{9}{2}$$, $$\frac{1}{20}$$, $$\frac{1}{50}$$