The answer is-
The fraction with greater numerator.
Let's understand this by an example.
Take denominator as 4.
And two numerators as 2 and 3 respectively.
Now, the numbers are 2/4 and 3/4
2/4 = 0.5
3/4 = 0.75
Which one is greater ?
3/4
Therefore, 3/4 > 2/4
So, the fraction with greater numerator is greater