The number A is less than the number B (1/8), and the number B is more than the number A ((())/(())).
甲数比乙数少(1/8)，乙数比甲数多((())/(()))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(1/8) / (7/8)</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>