Ответ:

  1. \(\frac{120}{224}=\frac{15}{28}\).
  2. \(\frac{264}{1540}=\frac{6}{35}\).
  3. \(\frac{4050}{486}=\frac{25}{3}=8\frac13\).
  4. \(\frac{4455}{4725}=\frac{33}{35}\).

Ответ: а) \(\frac{15}{28}\); б) \(\frac6{35}\); в) \(\frac{25}{3}\); г) \(\frac{33}{35}\).