Subtract the sum of (1/6) and (3/5) from (5/6). What is the difference?
从(5/6)里面减去(1/6)与(3/5)的和．差是多少？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/6) + (3/5)</gadget>
<output>23/30 = around 0.766667</output>

<gadget id="calculator">(5/6) - (23/30)</gadget>
<output>1/15 = around 0.066667</output>

<result>1/15 = around 0.066667</result>