For a fraction, the sum of the denominator and the numerator is 48. If 8 is added to the numerator and denominator at the same time, the approximate fraction is (3/5). What is the original fraction?
一个分数，分母与分子的和是48，如果分子和分母同时加上8，约分得(3/5)，原来这个分数是多少？
<gadget id="calculator">48 + 8 + 8</gadget>
<output>64</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">64 * (3/8)</gadget>
<output>24</output>

<gadget id="calculator">24 - 8</gadget>
<output>16</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">64 * (5/8)</gadget>
<output>40</output>

<gadget id="calculator">40 - 8</gadget>
<output>32</output>

<gadget id="calculator">16 / 32</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>