When comparing fractions with different denominators, and the numerator is one, like 1/8. The one with the smaller number for the denominator is greater.
You could also compare them by finding common denominators, so for 1/8 and 1/9, a common denominator would be /63. So you would take and multiply that by . You would then get . When you take times you get . So when comparing you can see that 1/8 is greater than 1/9.