Question 1135239
You would use combinations for this problem. You can easily multiply 6 and 2. 6 ( 6 sides on a die),2 (2 people). Which are 12 combinations.
1,a
2,a
3,a
4,a
5,a
6,a
1,b
2,b
3,b 
4,b 
5,b 
6,b
The highest number on the die is 6 and there are two possibilities out of twelve. Which is 1/6.