Ответ:

  1. \(0.4=\frac{4}{10}=\frac{2}{5}\).
  2. \(0.72=\frac{72}{100}=\frac{18}{25}\).
  3. \(0.35=\frac{35}{100}=\frac{7}{20}\).
  4. \(0.92=\frac{92}{100}=\frac{23}{25}\).
  5. \(0.632=\frac{632}{1000}=\frac{79}{125}\).
  6. \(0.9724=\frac{9724}{10000}=\frac{2431}{2500}\).