Answer:
The last one
is correct.
Hope this helps!
Explanation:
Change the denominator to a common number.
For the first one it's
which equals
which is not right ( 9 is not smaller than 8 ).
The second one is
which is
which is not right ( 2/3 does not equal 1/3 ).
The third one is
which is
which is not right ( 10 is not bigger than 11 ).
The last one is
which is
, both of which are correct, 9 is smaller than 12, and 3 is smaller than 4.