Divide a fraction with 2, once with 3, and once with 5, and the final result is (2/3). Do you know what the original fraction is?
把一个分数用2约分一次，用3约分一次，用5约分一次，得到的最后结果是(2/3)，你知道这个分数原来是多少吗？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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