Unable to think about an argument in proving that decimal expansion of a rational number m/n is eventually repeating
46561
How can I prove that all rational numbers are either terminating decimal or repeating decimal numerals?
83460
Sequence of rationals with an irrational limit have denominators going to infinity
67031
use contradiction to prove that the square root of $p$ is irrational
45361
Checking the consistency and Bias of $\frac{\sum X_i +\sqrt{n}/2}{n+\sqrt{n}}$
64885
Irrational and rational sequence proof
121831
Proving that rational numbers are dense
122226
Incorrect logic in popular proof of the irrationality of $\sqrt2$?
140141
Arithmetic of continued fractions, does it exist?
116822
Finding the next rational number
26080
Building a continued fraction
158730
Is $\ln(\ln(n))$ irrational for any integer $n>1$?
106242
Why no common factors in proving root 2 is irrational?
15110
About irrational logarithms
50930
Proving the continued fraction representation of $\sqrt{2}$
100399
A doubt with a part of a certain proof.
81154
Characterising reals with terminating decimal expansions
19076
If a.b.c,d are rationals and x is irrational number, then prove that $\frac{ax+b}{cx+d}$ is usually a irrational number. When do exceptions occur?