Ответ:
- \(\frac{2}{4}=\frac{1}{2}\);
- \(\frac{7}{28}=\frac{1}{4}\);
- \(\frac{6}{20}=\frac{3}{10}\);
- \(\frac{24}{56}=\frac{3}{7}\);
- \(\frac{42}{98}=\frac{3}{7}\);
- \(\frac{18}{81}=\frac{2}{9}\);
- \(\frac{60}{156}=\frac{5}{13}\);
- \(\frac{150}{400}=\frac{3}{8}\);
- \(\frac{360}{504}=\frac{5}{7}\).
