The number A is less than the number B (1/6), and the number is regarded as the unit "1", and the number A is the number B ((())/(())).
甲数比乙数少(1/6)，是把多少看作单位"1"，甲数是乙数的((())/(()))．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<result>7/6 = around 1.166667</result>