Which of the following calculation results is closest to (1/2)
下面各式的计算结果最接近(1/2)的是多少
<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">7 / 42</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(5/14) + (1/6)</gadget>
<output>11/21 = around 0.52381</output>

<result>11/21 = around 0.52381</result>