For a simple fraction, reduce its numerator by 3 times and enlarge its denominator by 3 times to get (1/4). What is the simplest fraction?
一个最简分数，把它的分子缩小3倍，分母扩大3倍后得到(1/4)，这个最简分数是多少．
<gadget id="calculator">9 / 4</gadget>
<output>9/4 = around 2.25</output>

<result>9/4 = around 2.25</result>