Answer:
The fraction in the triangle, which is 5/9.
Explanation:
The one in the rectangle is 2/6, which is 1/3 and is less than 1/2.
The one in the circle is 1/4 and is less than 1/2
The last one is 5/12 and is also less than 1/2.
You can ask for more explanation in the comments.
Hope it helps.