Expressed as an improper fraction, 6 1/2 is equal to 13/2 or thirteen over two.
If that's 5 and 2/13, the improper fraction is 67/13
7/2
6 and a 1/2 as an improper fraction is 13/2
9.5 as an improper fraction in its simplest form is 19/2
4 2/7 as an improper fraction = 30/7
51/2 as an improper fraction is 55/10 or 11/2
12.5 as an improper fraction is 25/2
7 2/7 as an improper fraction could be 51/7
7 and 2/3 as an improper fraction is 23/3
3 and 2/3 as an improper fraction is 11/3
-26/2