Which of the following fractions is closest to "1"
下列分数中，最接近"1"的是多少
<gadget id="calculator">12 / 13</gadget>
<output>12/13 = around 0.923077</output>

<gadget id="calculator">1 - (12/13)</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">1 / (1/13)</gadget>
<output>13</output>

<result>12/13 = around 0.923077</result>