The sum of the numerator and denominator of a fraction is 289, and (8/9) is obtained after dividing. What is the original fraction?
一个分数的分子和分母的和是289，约分后得到(8/9)，原来这个分数是多少？
<gadget id="calculator">8 + 9</gadget>
<output>17</output>

<gadget id="calculator">8 / 17</gadget>
<output>8/17 = around 0.470588</output>

<gadget id="calculator">9 / 17</gadget>
<output>9/17 = around 0.529412</output>

<gadget id="calculator">289 * (9/17)</gadget>
<output>153</output>

<gadget id="calculator">(8/17) / 153</gadget>
<output>8/2_601 = around 0.003076</output>

<gadget id="calculator">289 * (8/2_601)</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>