If you mean 0.66666666666666666666666666666(never ending sixes), then it's 2/3. If you mean 0.66 and that's it, it's 33/50.
Chat with our AI personalities
066 = 66 is an integer and not a fraction. However, it can be expressed in rational form as 66/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
66/1
6.6%/100 = .066
The fraction in fraction form is 37/50
0.981 in fraction form