There are more boys than girls in the sixth grade (1/11), then the number of girls is less than boys ((())/(())).
六年级的男生人数比女生多(1/11)，那么，女生人数比男生少((())/(()))．
<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">1 + (1/11)</gadget>
<output>12/11 = around 1.090909</output>

<gadget id="calculator">(1/11) / (12/11)</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>