Denominator is the number which appears at the bottom of fraction so the fraction we want is in the form X/8 and also less than 5/6
Lets start from changing the values of X from 1.
1/8 = 0.125 and 5/6 = 0.8333
2/8 = 0.25
3/8 = 0.375
4/8 = 0.5
5/8 = 0.625
6/8 = 0.75
7/8 = 0.875, this is greater than 5/6
So, the fractions with denominator 8 and less than 5/6 are 1/8, 2/8, 3/8, 4/8, 5/8 and 6/8