After adding equal natural numbers to the numerator and denominator of the simplest fraction (11/23), the approximate fraction is (2/3).
最简分数(11/23)的分子与分母同时加上相等的自然数多少后，约分得(2/3)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 23</gadget>
<output>46/3 = around 15.333333</output>

<gadget id="calculator">(46/3) - 11</gadget>
<output>13/3 = around 4.333333</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(13/3) / (1/3)</gadget>
<output>13</output>

<result>13</result>