If a manuscript is copied alone, it will take (1/5) hour for Xiao Ming and (1/6) hour for Xiao Hong, but how many hours will it take for two people to copy it together?
一份稿件，如果单独抄完，小明要(1/5)小时，小红要(1/6)小时，如果两人合抄要多少小时抄完．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / (1/5)</gadget>
<output>5</output>

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

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>