story book has 240 pages. Liu Hui read 40 pages on the first day, and 1/4 of the whole book on the second day. What fraction of the book did she read in two days?
一本故事书240页，刘慧第一天看了40页，第二天看了全书的(1/4)，两天一共看了这本书的几分之几？
<gadget id="calculator">40 / 240</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/6) + (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>