If a fraction is greater than (1/2010), less than (1/2009), and has the smallest denominator, what is the fraction?
一个分数比(1/2010)大，比(1/2009)小，且分母最小，则这个分数为多少．
<gadget id="calculator">2 / 4_020</gadget>
<output>1/2_010 = around 0.000498</output>

<result>1/2_010 = around 0.000498</result>