Answer: The fractions don't make sense!
Step-by-step explanation: 1/3 is the same as 2/6 (to get this, we multiply the numerator and denominator by 2).
However, the length of the holiday can only be 1/1 (or 1).
We find that by adding 5/6 and 2/6, we get 7/6, which is over 1 (since the numerator is greater than the denominator)!
This means the fractions don't make sense because the total time spent exceeds the total duration of the holiday.