For a fraction, the sum of its numerator and denominator is 44. If 1 is subtracted from its numerator and denominator, a new fraction (1/2) is obtained. What is the original fraction?
一个分数，分子与分母的和为44，如果从它的分子分母中分别减去1，便得到新分数(1/2)，那么原分数是多少．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">44 - 2</gadget>
<output>42</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">42 * (2/3)</gadget>
<output>28</output>

<gadget id="calculator">28 + 1</gadget>
<output>29</output>

<gadget id="calculator">44 - 29</gadget>
<output>15</output>

<gadget id="calculator">15 / 29</gadget>
<output>15/29 = around 0.517241</output>

<result>15/29 = around 0.517241</result>