There is a kind of fraction in the middle, the product of their numerator and denominator is 140, if all the selected fractions are arranged in ascending order, what is the third fraction
有一种最间分数，它们的分子与分母的乘积都是140，如果把所有选择的分数从小到大排列，那么，第三个分数是多少
<gadget id="calculator">5 / 28</gadget>
<output>5/28 = around 0.178571</output>

<result>5/28 = around 0.178571</result>