The sum of the numerator and the denominator of a fraction is 76, which is (1/3) after dividing. What is this fraction?
一个分数的分子和分母的和是76，约分后得(1/3)，这个分数是多少？
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">76 * (3/4)</gadget>
<output>57</output>

<gadget id="calculator">(1/4) / 57</gadget>
<output>1/228 = around 0.004386</output>

<gadget id="calculator">76 * (1/228)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>