Ответ:

  1. \(0.8=\frac{8}{10}=\frac{4}{5}\).
  2. \(0.68=\frac{68}{100}=\frac{17}{25}\).
  3. \(0.32=\frac{32}{100}=\frac{8}{25}\).
  4. \(0.88=\frac{88}{100}=\frac{22}{25}\).
  5. \(0.456=\frac{456}{1000}=\frac{57}{125}\).
  6. \(0.4654=\frac{4654}{10000}=\frac{2327}{5000}\).