9 repeating = infinity.
If you mean 0.9999... repeating as a fraction, that is equal to 1.
Proof:
1/3 = 0.3 repeating (0.3333...)
2/3 = 0.6 repeating (0.6666...)
1/3 + 2/3 = 3/3 = 1
0.3333... + 0.6666... = 0.9999...
0.9999... = 1
End of Proof:
Assuming you mean 0.81818181...repeating; the answer is 9/11.
23/9
It is: 88/9
*The trick with .1 repeating is it always will be divided by 9. 11.1 = 100/9
8/9
4/9 is the fraction for 0.4 repeating.
0.11 repeating can be written as the fraction 1/9.
3.1 repeating, as a rational fraction is 28/9.
The fraction of the repeating decimal 0.7... is 7/9
0.14 repeating as a fraction = 14/99
0.2 a repeating decimal into a fraction = 2/9
repeating decimal 1.1 as a fraction = 10/9
If that is 8 repeating then the fraction is 8/9
If that's repeating then as a fraction it is 9/11
As a fraction it is 5/9
8.4444 as a fraction = 76/9
It is: 2/9 = 0.2222 .... repeating 2