Дробь 14/42 к знаменателю 24; 6; 3; 9; 63 (25 -)

14/42 = 14/(14×3) = 1/3
(1) 14/42 = 1/3 = (1×8)/(3×8) = 8/24
(2) 14/42 = 1/3 = (1×2)/(3×2) = 2/6
(3) 14/42 = 14/(14×3) = 1/3
(4) 14/42 = 1/3 = (1×3)/(3×3) = 3/9
(5) 14/42 = 1/3 = (1×21)/(3×21) = 21/63