In an election, a person needs (2/3) of all the votes to be elected. After counting (3/4) of all the votes, the votes he gets have reached (5/6) of the votes to be elected. He still needs to get How many votes are left to be elected.
某人在一次选举中，需全部选票的(2/3)才能当选，计算全部选票的(3/4)后，他得到的选票已达到当选选票数的(5/6)，他还需要得到剩下选票的多少才能当选．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(2/3) * (5/6)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(2/3) - (5/9)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/9) / (1/4)</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>