Probability question ?

Two dice are rolled. What is the probability of rolling a sum of 15 in percent form? 

Puzzling2021-03-25T02:37:29Z

Tell me how you are going to roll a sum of 15 with two dice (1 to 6)... 

?2021-03-25T00:31:05Z

Hint: whats the max possible sum?

Don't forget to vote me best answer for being the first to correctly hint you through.