Xiaoqiang bought a 90-page book of fairy tales. He read 24 pages in the first week and 26 pages in the second week. What fraction of the book did he read in two weeks?
小强买了一本90页的童话故事书，他第一周看了24页，第二周看了26页．在两周时间里他看了这本书的几分之几？
<gadget id="calculator">24 + 26</gadget>
<output>50</output>

<gadget id="calculator">50 / 90</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>