The probability of rolling a 6 on the 1st roll is \(\frac{1}{6}\), since there is only 1 out of 6 sides of the dice that has six pips.
The probability of rolling an odd number is \(\frac{1}{2}\), since there are 3 out of 6 sides of the dice that has an odd number of pips. \(\frac{3}{6} = \frac{1}{2}\)
Then the probablity of both events happening one after another is \(\frac{1}{12}\). You have to multiply both probabilities of the events: \(\frac{1}{6} * \frac{1}{2} = \frac{1}{12}\)
