The denominator of a fraction is 15 more than the numerator, and (3/8) is obtained after dividing. What is the original fraction?
一个分数的分母比分子多15，约分后得(3/8)，原来这个分数是多少．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>