EXPLANATION :
From the problem, we have the fraction :
We need to find the common factor between the numerator and the denominator.
2 = 2 x 1
and
6 = 3 x 2 x 1
The common factor is 2 x 1 which is equal to 2.
Divide the numerator and the denominator by 2 :
ANSWER :
The answer is B. 1/3