For a fraction, the sum of the numerator and denominator is 43. If 17 is added to the denominator, the fraction can be reduced to (1/3), what is the fraction.
一个分数，分子和分母的和是43．如果分母加上17，这个分数就可以化简成(1/3)，该分数是多少．
<gadget id="calculator">43 + 17</gadget>
<output>60</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">60 * (1/4)</gadget>
<output>15</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 * (3/4)</gadget>
<output>45</output>

<gadget id="calculator">45 - 17</gadget>
<output>28</output>

<gadget id="calculator">15 / 28</gadget>
<output>15/28 = around 0.535714</output>

<result>15/28 = around 0.535714</result>