In the fifth grade, 42 people participated in the primary election of the "Talent Show" on campus, and 7 of them stood out from the 210 contestants participating in the school and entered the semi-finals. What percentage of the number of candidates in the fifth grade entered the semi-finals in this grade?
五年级有42人参加校园"达人秀"的初选活动，其中有7人从全校参选的210名选手中脱颖而出，进入复赛．五年级进入复赛的人数占本年级参选人数的几分之几？
<gadget id="calculator">7 / 42</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>