If the numerator of a fraction is decreased by 10% and the denominator is increased by 50%, what percentage is the new fraction decreased from the original fraction?
一个分数的分子减少10%，而分母增加50%，则新分数比原来分数减少的百分率是多少．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>