-2 is an integer and not a fraction. However, it can be expressed in rational form as -2/1 which cannot be simplified.
It is: 3.5 = 7/2 as a fraction
It is equal to 2/9.
It is: 0.5 = 1/2 as a fraction
2 and 1/2 as an improper fraction is 5/2
An equivalent fraction, like 1/2 and 2/4
2/10
1/2
2 tenths
2/3
100/2
10/2
17/2