8/9 because its if you divide 8 by 9 you get the decimal 0.88888889 which is greater than 5/6's decimal which is 0.83333333. 1/8 decimal is 0.125, which is less than both 8/9 and 5/6.
So let's take a look onto the denominator and the numerator. The numerator is 5, so it's less than one whole. So the first fraction that I would say would be 6/6. And that's pretty much what I know
