Simplify the fraction part 6/12 by dividing numerator and denominator by their HCF, which is 6.AGS Rule Box
Simplify 6/12=6/12 = (6 / 6) / (12 / 6) = 1/2
Simplest form=1 1/2
This matches option C: 1 1/2.
Final Answer: 1 1/2 (Option C)