After a fraction is multiplied by 4(1/6) and 3(8/9), the products are all natural numbers. What is the smallest such fraction?
一个分数分别乘以4(1/6)和3(8/9)后，积都是自然数，这样的分数最小是多少．
<gadget id="calculator">3 * 2 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 / 5</gadget>
<output>18/5 = around 3.6</output>

<result>18/5 = around 3.6</result>