In (1/2), (1/3), (2/3) and (1/4), what is the smallest fraction.
在(1/2)、(1/3)、(2/3)和(1/4)中，最小的分数是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>