It is 169/200 as a fraction in its simplest form.
The square root of the fraction 16 over 169 is 4 over 13.
169/1000
169 is an integer and not a fraction. However, it can be expressed in rational form as 169/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
169/10 = 16.9
1.69 = 169/100
169/200
169/200
169/20
169/200
It is: 0.676 = 169/250
845/1,000 = 169/200