- \(2.2=\frac{22}{10}=\frac{11}{5}\).
- \(1.03=\frac{103}{100}\).
- \(5.72=\frac{572}{100}=\frac{143}{25}\).
- \(8.1=\frac{81}{10}\).
- \(4.25=\frac{425}{100}=\frac{17}{4}\).
- \(8.7=\frac{87}{10}\).
- \(3.6=\frac{36}{10}=\frac{18}{5}\).
- \(6.4=\frac{64}{10}=\frac{32}{5}\).
Ответ: \(\frac{11}{5};\ \frac{103}{100};\ \frac{143}{25};\ \frac{81}{10};\ \frac{17}{4};\ \frac{87}{10};\ \frac{18}{5};\ \frac{32}{5}\).