Question 1101364
There are 6x6=36 possible outcomes.  This is the denominator.

8 can be obtained by the following combinations of (die1, die2):  (4,4), (5,3), (6,2), (2,6), (3,5)

So the chance is  {{{ highlight( matrix(1,3, "  ", 5/36, "  ") )}}} that you will get a sum of 8 on the roll.