8 1/2 : m = 3 2/3* 1 1/11
8 1/2 : m = 3 2/3 * 1 1/11 17/2 : m = 11/3 * 12/1 17/2 : m = 132/3 17/2 : m = 44 m = 17/2 : 44 m = 17/2 * 1/44 m = 17/88 проверка: 8 1/2 : 17/88 = 3 2/3 * 1 1/11 17/2 * 88/17 = 11/3 * 12/11 88/2 = 132/3 44 = 44