There is a fraction, if 6 is added to the denominator, the numerator will remain unchanged, and the result will be (1/6); if 4 is added to the numerator, the original denominator will remain unchanged, and the result will be (1/4), what is the original fraction?
有一个分数，若分母加上6，分子不变，约分后是(1/6)；若分子加上4，原分母不变，约分后是(1/4)，原分数是多少．
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">6 + 16</gadget>
<output>22</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<gadget id="calculator">6 * 11</gadget>
<output>66</output>

<gadget id="calculator">66 - 6</gadget>
<output>60</output>

<gadget id="calculator">22 / 2 / 60</gadget>
<output>11/60 = around 0.183333</output>

<result>11/60 = around 0.183333</result>