Which function is greater than 3/4 or less than 5/6?

Which function is greater than 3/4 or less than 5/6?

Explanation

3/4=0.75

5/6=0.833

1/2=0.5

2/3=0.66

4.5=0.8

9/10=0.9

Clearly 0.8 lies between 0.75  and .833

4/5 lies between 3/4 and 5/6 .