The sum of the numerator and denominator of a fraction is 49. After adding 7 to the numerator and denominator, the approximate fraction is (10/11). What is the fraction?
一个分数的分子、分母的和是49，分子和分母加上7后约分得(10/11)，这个分数是多少．
<gadget id="calculator">49 + 7 + 7</gadget>
<output>63</output>

<gadget id="calculator">10 + 11</gadget>
<output>21</output>

<gadget id="calculator">10 / 21</gadget>
<output>10/21 = around 0.47619</output>

<gadget id="calculator">63 * (10/21)</gadget>
<output>30</output>

<gadget id="calculator">30 - 7</gadget>
<output>23</output>

<gadget id="calculator">11 / 21</gadget>
<output>11/21 = around 0.52381</output>

<gadget id="calculator">63 * (11/21)</gadget>
<output>33</output>

<gadget id="calculator">33 - 7</gadget>
<output>26</output>

<gadget id="calculator">23 / 26</gadget>
<output>23/26 = around 0.884615</output>

<result>23/26 = around 0.884615</result>