What is the result after subtracting their difference from the sum of (5/9) and (1/3).
(5/9)与(1/3)的和再减去它们的差，结果是多少．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/9) + (1/3)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">(5/9) - (1/3)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(8/9) - (2/9)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>