Сократите дроби 4/24, 35/35, 21/30, 20/24, 9/24, 5/20, 2/14, 18/21, 32/36, 15/35, 20/28, 45/72, 55/60, 27/57.
1/6, 1, 7/10, 5/6, 3/6, 1/4, 1/7, 6/7, 8/9, 1/3, 5/7, 5/8, 11/12, 9/19