1) 12 × 2 1/6 = 12/1 × 13/6 = 2/1×13/1 = 26
2) 14 × 2 11/14 = 14/1 × 39/14 = 39
3) 5 × 2 1/25 = 5/1× 51/25 = 51/5 = 10 1/5 = 10.2
4) 24 × 5 5/12 = 24/1 × 65/12 = 2/1×65/1 = 130
5) 11 × 1 1/22 = 11/1 × 23/22 = 1/1 × 23/2 = 11 1/2 = 11.5
6) 15 × 1 1/30 = 15/1 × 31/30 = 1/1 × 31/2 = 31/2 = 15 1/2 = 15.5