Кнаименьшему общему знаменателю дроби: 5/8 и 1/6 9/14 и 2/21 1/42 и 1/30 7/48 и 11/30 2/3; 1/4 и 5/6 5/6; 2/9 и 7/12

1)  5/8 и 1/9 = 15/24 и 4/24
2) 9/14 и 2/21 = 27/42 и 4/42
3) 1/42 и 1/30 =  5/240 и 7/240
4) 7/48 и 11/30 = 35/240 и 88/240
5)  11/30 и 2/3 и 1/4 и 5/6 = 22/60 и 40/60 и 15/60 и 50/60
6)  5/6 и 2/9 и 7/12 = 30/36 и 12/36 и 21/36