Сокращение дробей

1. $$\frac{5}{10} = \frac{1}{2}$$
2. $$\frac{8}{32} = \frac{1}{4}$$
3. $$\frac{14}{63} = \frac{2}{9}$$
4. $$\frac{25}{40} = \frac{5}{8}$$
5. $$\frac{72}{108} = \frac{2}{3}$$
6. $$\frac{56}{72} = \frac{7}{9}$$
7. $$\frac{32}{801} = \frac{32}{801}$$ (не сокращается)
8. $$\frac{480}{640} = \frac{3}{4}$$