Just add the numbers together
The sum in math is the answer of a question that involves addition. For example, the sum of '5 + 2' is '7'.
add
Well, there are 36 options to be rolled. The only combos that will add up to ten are 5+5 and 6+4. So that's 2 options out of 36. Hence 2/36. simplified to 1/18 OR 5.56%
-53 and -52