The number A is more than the number B (2/5), and the number B is less than the number A ((())/(())).
甲数比乙数多(2/5)，乙数比甲数少((())/(()))．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">(2/5) / (7/5)</gadget>
<output>2/7 = around 0.285714</output>

<result>2/7 = around 0.285714</result>