Calculation: (5/9)-(5/12)+(5/18).
计算：(5/9)-(5/12)+(5/18)．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(5/9) - (5/12)</gadget>
<output>5/36 = around 0.138889</output>

<gadget id="calculator">5 / 18</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">(5/36) + (5/18)</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>