The number of boys in Class 1 is equal to the number of girls (5/6), how many boys account for the whole class
六1班男生人数是女生人数的(5/6)，男生人数占全班人数的多少
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 + (5/6)</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">(5/6) / (11/6)</gadget>
<output>5/11 = around 0.454545</output>

<result>5/11 = around 0.454545</result>