16. Скорочення дробів - 17. Зведення дробі » 659

Скороти дроби: 12/14 = (12 ∶ 2)/(14 ∶ 2) = 6/7; 13/39 = (13 ∶ 13)/(39 ∶ 13) = 1/3; 4/40 = (4 ∶ 4)/(40 ∶ 4) = 1/10; 40/30 = (40 ∶ 10)/(30 ∶ 10) = 4/3; 40/60 = (40 ∶ 20)/(60 ∶ 20) = 2/3; 75/70 = (75 ∶ 5)/(70 ∶ 5) = 15/14; 11/33 = (11 ∶ 11)/(33 ∶ 11) = 1/3; 402/204 = (402 ∶ 6)/(204 ∶ 6) = 67/34; 333/444 = (333 ∶ 111)/(444 ∶ 111) = 3/4; 198/909 = (198 ∶ 9)/(909 ∶ 9) = 22/101.