6:7/9 = 16:4/11=13:26/29=7/9:5=9/16:6=5/19: 1 8/27=2 10/13 : 3 3/26 =2 4/7 : 1 1/35 =

6 : 7/9 = 6 * 9/7 = 54/7 = 7 5/7.

16 : 4/11=16 * 11/4 = ( сокращение на 4 ) = 4 * 11 = 44.

13 : 26/29 = 13 * 29/26 = ( сокращение на 13 ) = 1 * 29/2 = 29/2 = 14 1/2.

7/9 : 5 = 7/9 * 1/5 = 7/45.

9/16 : 6 = 9/16 * 1/6 = ( сокращение на 3 ) = 3/16 * 1/2 = 3/32.

5/19 : 1 8/27 = 5/19 : 35/27 = 5/19 * 27/35 = ( сокращение на 5 ) = 1/19 * 26/7 = 26/133.

2 10/13 : 3 3/26 = 36/13 : 81/26 = 36/13 * 26/81 = ( сокращение на 3 ) = 12/13 * 26/27 = 12*26 / 13*27 = 312/351 ( сокращение на 3 )= 104/117.

2 4/7 : 1 1/35 = 18/7 : 36/35 = 18/7 * 35/37 = ( сокращение на 7 ) = 18/1 * 5/37 = 18 * 5 / 37 = 90/37 = 2 16/37.