Сократите обыкновенные дроби 1) 2/6 ; 3/9 ; 4/12 ; 5/25 ; 6/48 ; 10/902)6/14 ; 10/22 ; 12/14 ; 14/16 ; 18/28 ; 20/263)

 2/6 = (2 : 2) / (6 : 2) = 1/3;

3/9 = (3 : 3) / (9 : 3) = 1/3;

4/12 = (4 : 4) / (12 : 4) = 1/3; 

5/25 = (5 : 5) / (25 : 5) = 1/5;

6/48 = (6 : 6) / (48 : 6) = 1/8;

10/90 = (10 : 10) / (90 : 10) = 1/9;

6/14 = (6 : 2) / (14 : 2) = 3/7;

10/22 = (10 : 2) / (22 : 2) = 5/11;

12/14 = (12 : 2) / (14 : 2) = 6/7;

14/16 = (14 : 2) / (16 : 2) = 7/8;

18/28 = (18 : 2) / (28 : 2) = 9/14;

20/26 = (20 : 2) / (26 : 2) = 10/13;

 6/9 = (6 : 3) / (9 : 3) = 2/3;

12/15 = (11 : 3) / (15 : 3) = 4/5;

18/21 = (18 : 3) / (21 : 3) = 6/7;

30/33 = (30 : 3) / (33 : 3) = 10/11;

24/27 = (24 : 3) / (27 : 3) = 8/9;

36/39 = (36 : 3) / (39 : 3) = 12/13;

5/15 = (5 : 5) / (15 : 5) = 1/3;

10/35 = (10 : 5) / (35 : 5) = 2/7;

6/18 = (6 : 6) / (18 : 6) = 1/3;

14/49 = (14 : 7) / (49 : 7) = 2/7;

16/40 = (16 : 8) / (40 : 8) = 2/5;

100/200 =  (100 : 100) / (200 : 100) = 1/2.