Завдання 101 - 200 » 185-186

185. Зведи до знаменника 24 кожний з дробів: 1) 1/6 = (1 ∙ 4)/(6 ∙ 4) = 4/24; 2) 3/4 = (3 ∙ 6)/(4 ∙ 6) = 18/24; 3) 7/12 = (7 ∙ 2)/(12 ∙ 2) = 14/24; 4) 2/3 = (2 ∙ 8)/(3 ∙ 8) = 16/24. 186. Скороти дріб: 1) 12/15 = 4/5; 2) 18/36 = 1/2; 3) 42/48 = 7/8; 4) 12/4 = 3; 5) 36/64 = 9/16; 6) 45/75 = 3/5; 7) 22/66 = 1/3; 8) 21/3000 = 7/1000.