Ignore the - sign for now. 11.3 = 11.3 113
------- = ----------
1 10
Since this is the ratio of two integers, 11.3 is rational. So is 11.3.
83
If you really mean 0.083, this is rational: it is ---------
1000
If y ou meant 0.083333333 ... , that's also rational: 1/12 is equivalent.
