The least common multiple of two different prime numbers is 65. What is the simplest true fraction of these two numbers?
两个不同质数的最小公倍数是65，这两个数组成的最简真分数是多少．
<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<result>5/13 = around 0.384615</result>