Mom bought a piece of fabric. (1/6) was used to make a table cover, and (4/6) was used to make a curtain, how much was used in total?
妈妈买来一块布料．做桌套用去了(1/6)，做窗帘用去了(4/6)，一共用去了几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/6) + (2/3)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>