2. Сократите дроби: a) 8 12 12 24 18 20 8 30 12' 16' 18' 40'27'70'36' 75 б) 2 3 4 9 11 5 4'9' 16' 45'66' 35 B) 55 17 12 24 15 10 22' 51' 8'40' 6'100'

Решим примеры, сократив дроби. а) * $$\frac{8}{12} = \frac{2\cdot4}{3\cdot4} = \frac{2}{3}$$ * $$\frac{12}{16} = \frac{3\cdot4}{4\cdot4} = \frac{3}{4}$$ * $$\frac{12}{18} = \frac{2\cdot6}{3\cdot6} = \frac{2}{3}$$ * $$\frac{24}{40} = \frac{3\cdot8}{5\cdot8} = \frac{3}{5}$$ * $$\frac{18}{27} = \frac{2\cdot9}{3\cdot9} = \frac{2}{3}$$ * $$\frac{20}{70} = \frac{2\cdot10}{7\cdot10} = \frac{2}{7}$$ * $$\frac{8}{36} = \frac{2\cdot4}{9\cdot4} = \frac{2}{9}$$ * $$\frac{30}{75} = \frac{2\cdot15}{5\cdot15} = \frac{2}{5}$$ б) * $$\frac{2}{4} = \frac{1\cdot2}{2\cdot2} = \frac{1}{2}$$ * $$\frac{3}{9} = \frac{1\cdot3}{3\cdot3} = \frac{1}{3}$$ * $$\frac{4}{16} = \frac{1\cdot4}{4\cdot4} = \frac{1}{4}$$ * $$\frac{9}{45} = \frac{1\cdot9}{5\cdot9} = \frac{1}{5}$$ * $$\frac{11}{66} = \frac{1\cdot11}{6\cdot11} = \frac{1}{6}$$ * $$\frac{5}{35} = \frac{1\cdot5}{7\cdot5} = \frac{1}{7}$$ в) * $$\frac{55}{22} = \frac{5\cdot11}{2\cdot11} = \frac{5}{2}$$ * $$\frac{17}{51} = \frac{1\cdot17}{3\cdot17} = \frac{1}{3}$$ * $$\frac{12}{8} = \frac{3\cdot4}{2\cdot4} = \frac{3}{2}$$ * $$\frac{24}{40} = \frac{3\cdot8}{5\cdot8} = \frac{3}{5}$$ * $$\frac{15}{6} = \frac{5\cdot3}{2\cdot3} = \frac{5}{2}$$ * $$\frac{10}{100} = \frac{1\cdot10}{10\cdot10} = \frac{1}{10}$$