Сократить дробь 18/21,8/24,7/21,24/32,9/12,6/8
6/7, 1/3, 1/3, 3/4, 3/4, 3/4
18/21 = 6/7 8/24 = 1/3 7/21 = 1/3 24/32 = 3/4 9/12 = 3/4 6/8 = 3/4.