Divide the six scores (13/210), (1/14), (5/28), (4/21), (1/12), (1/5) into three groups so that the two scores of each group and are equal, then what is the fraction in the same group as (1/5)?
将六个分数(13/210)、(1/14)、(5/28)、(4/21)、(1/12)、(1/5)分成三组，使每组的两个分数的和相等，那么与(1/5)分在同一组的那个分数是多少．
<gadget id="calculator">13 / 210</gadget>
<output>13/210 = around 0.061905</output>

<result>13/210 = around 0.061905</result>