0.7 (repeating) is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 7/9 which cannot be simplified.
The fraction of the repeating decimal 0.7... is 7/9
22/7
7⅓
It is 8/7.
7/15
The fraction of the repeating decimal 0.7... is 7/9
It is 7/9.
22/7
It is 7/9.
7⅓
7/9
4/7
It is 8/7.
7/9
7/9
It is 5/7.
7/3