There are 36 total possible outcomes (6 outcomes per die).
First count the number of ways two positive integers can add up to 5:
1 + 4
2 + 3
3 + 2
4 + 1
With only four possibilities, the probability of rolling a sum smaller than 6 is then [tex]\dfrac4{36}=\dfrac19\approx0.11[/tex].
