The sum of the numerator and denominator of a simplest fraction is 29. If the sum of the numerator and denominator is reduced by 3, it is (1/4), then the original fraction is ((())/(())).
一个最简分数的分子与分母的和是29，如果分子和分母都加上3约分后是(1/4)，则原分数是((())/(()))．
<gadget id="calculator">29 + 3 + 3</gadget>
<output>35</output>

<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">35 * (1/5)</gadget>
<output>7</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">35 * (4/5)</gadget>
<output>28</output>

<gadget id="calculator">28 - 3</gadget>
<output>25</output>

<gadget id="calculator">4 / 25</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>