It is: 1 and 1/2 = 3/2 as an improper fraction
6 and a 1/2 as an improper fraction is 13/2
1/5 has no improper fraction and 2/5 has no imporper fraction
5 over 2
13 over 2
3/2
7/2
21/2
7 1/2
Expressed as an improper fraction, 6 1/2 is equal to 13/2 or thirteen over two.
9 and 1/2 to get the improper fraction..., (2 * 9 + 1)/2 = 19/2 =====
If you mean: 2 and 1/2 then as an improper fraction it is 5/2