A fraction can be divided into (1/2) by adding 3 to its denominator, and can be divided into (2/3) by subtracting 5 from its denominator. What is the fraction?
一个分数，它分母加上3可约分为(1/2)，它的分母减去5，可约分为(2/3)，这个分数是多少．
<gadget id="calculator">2 * 16</gadget>
<output>32</output>

<gadget id="calculator">32 - 3</gadget>
<output>29</output>

<gadget id="calculator">16 / 29</gadget>
<output>16/29 = around 0.551724</output>

<result>16/29 = around 0.551724</result>