There are 15 boys and 27 girls in a class, what percentage of the total number of girls are boys?
某班有男生15人，女生27人，男生占女生总人数的几分之几？
<gadget id="calculator">15 / 27</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>