A garment factory makes a batch of garments. It completed the planned (5/8) in the first half of the month, and completed the planned (13/24) in the second half of the month. What percentage of the plan was actually overfulfilled?
制衣厂做一批服装，上半月完成了计划的(5/8)，下半月完成计划的(13/24)，实际超额完成计划的几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">13 / 24</gadget>
<output>13/24 = around 0.541667</output>

<gadget id="calculator">(13/24) - 1</gadget>
<output>-11/24 = around -0.458333</output>

<gadget id="calculator">(5/8) + (-11/24)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>