The correct option is B 23
Dividing both the numerator and denominator of 1218 by 2( a common factor of 12 and 18), we get 69.
Now, dividing both the numerator and denominator of 69 by 3(a common factor of 6 and 9), we get 23.
∴1218=23.
i.e., 1218=12÷218÷2=69=6÷39÷3=23