1) 12/8 = 3/2 = 1 1/2
20/16 = 5/4 = 1 1/4
35/25 = 7/5 = 1 2/5
46/32 = 23/16 = 1 7/16
56/12 = 14/3 = 4 2/3
105/45 = 21/9 = 7/3 = 2 1/3
198/102 = 99/51 = 33/17 = 1 16/17
90/65 = 18/13 = 1 5/13
2) 2 = 10/5 = 1 5/5, 4 = 20/5 = 3 5/5, 10 = 500/5 = 9 5/5, 26 = 130/5 = 25 5/5