\(\frac{3}{9}=\frac{2}{6}\); \(\frac{4}{6}=\frac{6}{9}\); \(\frac{4}{6}=\frac{2}{3}\); \(\frac{3}{9}=\frac{2}{6}\); \(\frac{3}{3}=\frac{9}{9}\); \(\frac{1}{10}=\frac{1}{5}\); \(\frac{5}{10}=\frac{1}{2}\); \(\frac{3}{5}=\frac{9}{15}\), поэтому при знаменателе 3 равенство невозможно; \(\frac{8}{10}=\frac{4}{5}\); \(\frac{2}{10}=\frac{1}{5}\).