Lingling said: "There are two relatively prime composite numbers, and their least common multiple is 36." What is the true fraction of these two composite numbers?
玲玲说："有两个互质的合数，它们的最小公倍数是36．"这两个合数组成的真分数是多少．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>