The ratio of the numerator to the denominator of a fraction is 2:3, the sum of the numerator and the denominator is 60, what is the fraction.
一个分数的分子与分母的比是2：3，分子与分母的和使60，这个分数是多少．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">24 / 36</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>