is 5/6 equal to 8/9?
Therefore, 5/6 is not greater than 8/9 and the answer to the question "Is 5/6 greater than 8/9?" is no. Note: When comparing fractions such as 5/6 and 8/9, you could also convert the fractions (if necessary) so they have the same denominator and then compare which numerator is larger.