1)30/21,52/40,38/30 2)100/90,55/30,48/28 3)68/48,27/24,80/45 4)87/75,26/24,164/80 Сократите дроби Запишите в виде смешанных чисел Приведите смешанные числа к наименьшему общему знаменателю

1) 30/21 = 10/7 = 1 3/7 = 1 90/210         2) 100/90 = 10/9 = 1 1/9 = 1 14/126     52/40 = 13/10 = 1 3/10 = 1 63/210         55/30 = 11/6 = 1 5/6 = 1 105/126     38/30 = 19/15 = 1 4/15 = 1 56/210          48/28 = 12/7 = 1 5/7 = 1 90/1263) 68/48 = 17/12 = 1 5/12 = 1 30/72       4) 87/75 = 29/25 = 1 4/25 = 1 48/300      27/24 = 9/8 = 1 1/8 = 1 9/72                  26/24 = 13/12 = 1 1/12 = 1 25/300     80/45 = 16/9 = 1 7/9 = 1 56/72               164/80 = 41/20 = 2 1/20 = 2 15/300