The denominator of a fraction is 72 greater than the numerator, and the fraction is (5/13). What is the fraction?
一个分数的分母比分子大72，约分后是(5/13)，这个分数是多少．
<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<result>5/13 = around 0.384615</result>