The denominator of a simplest fraction is multiplied by 9, and the numerator is reduced by (1/5) to obtain a new fraction (2/27). What is the original fraction?
一个最简分数的分母乘9，分子缩小(1/5)后得到的新分数是(2/27)原分数是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / (1/5)</gadget>
<output>10</output>

<gadget id="calculator">27 / 9</gadget>
<output>3</output>

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>

<result>10/3 = around 3.333333</result>