The denominator is 10, and the numerator is 4 less than the denominator. What is the fraction?
分母是10，分子比分母少4，这个分数是多少．
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>