3.12 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 312/100 which can be simplified, if required.
312 into a fraction = 312/1
30% = 3/10 as a fraction
4.6 = 23/5
4/5
11
7/8 = 87.5%
It is: -14/16
312/1
312 is an integer and not a fraction. However, it can be expressed in rational form as 312/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
312 is an integer, not a fraction.
It is: 0.8 or 4/5 as fraction in its lowest terms
312 is a rational number. It can be expressed as a fraction.