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

a) Сократим дроби:

1. $$\frac{6}{10} = \frac{3}{5}$$
2. $$\frac{6}{18} = \frac{1}{3}$$
3. $$\frac{9}{15} = \frac{3}{5}$$
4. $$\frac{9}{24} = \frac{3}{8}$$

б) Сократим дроби:

1. $$\frac{2}{12} = \frac{1}{6}$$
2. $$\frac{3}{15} = \frac{1}{5}$$
3. $$\frac{30}{6} = 5$$
4. $$\frac{7}{42} = \frac{1}{6}$$

в) Сократим дроби:

1. $$\frac{12}{60} = \frac{1}{5}$$
2. $$\frac{99}{22} = \frac{9}{2}$$
3. $$\frac{5}{100} = \frac{1}{20}$$
4. $$\frac{20}{1000} = \frac{1}{50}$$

Ответ: а) 3/5, 1/3, 3/5, 3/8; б) 1/6, 1/5, 5, 1/6; в) 1/5, 9/2, 1/20, 1/50