When Yang Huan reads a book, he reads (3/6) on the first day and (2/6) on the second day. What percentage of the book did he read in total in the two days?
杨欢看一本书，第一天看了(3/6)，第二天看了(2/6)，两天一共看了全书的几分之几？
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

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

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