A project can be completed by A in 6 days and by B in 8 days. If A and B work together for one day, how much of the project will be completed?
一项工程，甲单独做要6天完成，乙单独做要8天完成．甲乙两人合做一天，完成这项工程的几分之几个？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/6) + (1/8)</gadget>
<output>7/24 = around 0.291667</output>

<result>7/24 = around 0.291667</result>