5. Сократите дроби, используя признаки делимости: 1) 14/21, 18/24, 24/15, 25/35, 81/108

14/21 = (7 * 2)/(7 * 3) = 2/3 18/24 = (6 * 3)/(6 * 4) = 3/4 24/15 = (3 * 8)/(3 * 5) = 8/5 25/35 = (5 * 5)/(5 * 7) = 5/7 81/108 = (27 * 3)/(27 * 4) = 3/4