Among the simplest fractions whose denominator is less than 15, which is smaller than 0.6 and closest to 0.4?
在分母小于15的最简分数中，比0.6小，并且最接近0.4的是多少．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>