Oh honey, that's just 22/7. It's like the annoying friend who never stops repeating themselves. Just stick with the fraction and avoid the headache of dealing with that never-ending decimal.
If you mean: 0.151515.....repeating then as a fraction it is 5/33
0.13333333 repeating in fraction = 12/90 or 2/15
It is: 53/99It is: 0.5333 ... repeating = 8/15 as a fraction
The fraction of the repeating decimal 0.7... is 7/9
If both digits are repeating then as a fraction it is 37/99