There are 108 students in the sixth grade, including 68 female students. How many female students account for the whole grade (expressed in fractions).
六年级共有学生108名，其中女同学68名，女同学占全年级人数的多少(用分数表示)．
<gadget id="calculator">68 / 108</gadget>
<output>17/27 = around 0.62963</output>

<result>17/27 = around 0.62963</result>