Among the fractions (9/15), 1(9/12), (9/25), (9/27), which ones cannot be reduced to finite decimals?
在分数(9/15)，1(9/12)，(9/25)，(9/27)中，哪些是不能化成有限小数的分数？
<gadget id="calculator">9 / 27</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>