Can you name some of the fractions between 0 and 1?

1/2, 1/3, 1/4, 1/5, 1/6, ...

2/3, 2/5, 2/7, 2/9, 2/11, ...

3/4, 3/5, 3/7, 3/8, 3/11, ...

4/5, 4/7, 4/9, 4/11, 4/13, ...

...,  ...,   ...,   ...,     ...,  ...

I never exepected that.