2. Сократите дроби:

### 2. Сократите дроби: a) $\frac{8}{12} = \frac{2}{3}$ $\frac{12}{16} = \frac{3}{4}$ $\frac{12}{18} = \frac{2}{3}$ $\frac{24}{40} = \frac{3}{5}$ $\frac{18}{27} = \frac{2}{3}$ $\frac{20}{70} = \frac{2}{7}$ $\frac{8}{36} = \frac{2}{9}$ $\frac{30}{75} = \frac{2}{5}$ б) $\frac{2}{4} = \frac{1}{2}$ $\frac{3}{9} = \frac{1}{3}$ $\frac{4}{16} = \frac{1}{4}$ $\frac{9}{45} = \frac{1}{5}$ $\frac{11}{66} = \frac{1}{6}$ $\frac{5}{35} = \frac{1}{7}$ в) $\frac{55}{22} = \frac{5}{2} = 2,5$ $\frac{17}{51} = \frac{1}{3}$ $\frac{12}{8} = \frac{3}{2} = 1,5$ $\frac{24}{40} = \frac{3}{5}$ $\frac{15}{6} = \frac{5}{2} = 2,5$ $\frac{10}{100} = \frac{1}{10}$ ### №1. Приведите дроби: 1) К знаменателю 20: $\frac{1}{2} = \frac{10}{20}$; $\frac{3}{4} = \frac{15}{20}$; $\frac{4}{5} = \frac{16}{20}$; $\frac{9}{10} = \frac{18}{20}$ 2) К знаменателю 36: $\frac{3}{4} = \frac{27}{36}$; $\frac{1}{6} = \frac{6}{36}$; $\frac{7}{18} = \frac{14}{36}$; $\frac{8}{9} = \frac{32}{36}$ 3) К знаменателю 64: $\frac{1}{2} = \frac{32}{64}$; $\frac{2}{4} = \frac{32}{64}$; $\frac{3}{8} = \frac{24}{64}$; $\frac{5}{32} = \frac{10}{64}$ 4) К знаменателю 100: $\frac{1}{5} = \frac{20}{100}$; $\frac{1}{4} = \frac{25}{100}$; $\frac{7}{25} = \frac{28}{100}$; $\frac{63}{50} = \frac{126}{100}$