Answer:
The answer is the option a

Explanation:
we have

we know that
In order to compare fractions of different denominator, we are going to multiply each of the fractions by a unit fraction, to obtain a common denominator
Multiply
by


Multiply
by


Verify each case
case a) we have

Multiply
by


substitute in the expression
------> is true
The fraction
is a solution
case b) we have

Multiply
by


substitute in the expression
------> is not true
The fraction
is not a solution
case c) we have

Multiply
by


substitute in the expression
------> is not true
The fraction
is not a solution
case d) we have

Multiply
by


substitute in the expression
------> is not true
The fraction
is not a solution