15 out of 36 equals 1 out of 36 plus 1 out of 36 plus 1 out of 36?

15 out of 36 equals 1 out of 36 plus 1 out of 36 plus 1 out of 36?

15 out of 36 equals 1 out of 12 plus 1 out of 6 plus 1 out of 6?