xxx is an integer and not a fraction. However, it can be expressed in rational form as 29/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
The fraction 3 and 2/10
It is: 5.125 = 41/8 as a fraction in its lowest terms
35/10 is an equivalent fraction.
Multiply (or divide) the numerator and the denominator both by the same number.
It is: 6/12 = 1/2 in its lowest terms
It is: 9/24 = 3/8 in its lowest terms
Multiply both the numerator and the denominator of the fraction you already have by the same number, and you'll get another fraction that's equivalent to it.
00029 = 29 which, as a fraction, is 29/1
It is: 0.29 = 29/100 as a fraction
29 percent as a fraction in simplest form is 29/100.
.29 = 29/100
-29 is an integer and there is no sensible way to express it as a fraction.