Приведите дроби в наименьшему общему знаменателю:
1/5 и 1/3
5/6 и 3/18
1/6 и 1/4
3/4 и 2/9
7/16 и 1/2
5/12 и 3/10
4/7 и 5/12
2/3 и 1/15
2/9 и 7/12
5/6 и 3/11
2/7 и 10/21
19/60 и 9/80

1/5 и 1/3 = 3/15 и 5/155/6 и 3/18 = 15/18 и 3/181/6 и 1/4 = 2/12 и 3/123/4 и 2/9 = 27/36 и 8/367/16 и 1/2 = 7/16 и 8/165/12 и 3/10 = 25/60 и 18/604/7 и 5/12 = 48/84 и 35/842/3 и 1/15 = 10/15 и 1/152/9 и 7/12 = 8/36 и 21/365/6 и 3/11 = 55/66 и 18/662/7 и 10/21 = 6/21 и 10/2119/60 и 9/80 = 76/240 и 27/240