The sum of the two simplest fractions with the same numerator is 1 (1/15), and the ratio of the denominators of the two fractions is 3:5. What is the numerator of these two fractions?
甲乙两个分子相同的最简分数的和是1(1/15)，甲乙两个分数分母的比是3：5，这两个分数的分子是多少．
<result>2</result>