Xiaoying reads a 120-page story book. She reads 18 pages in the morning and 22 pages in the afternoon. What fraction of the total number of pages does Xiaoying read on this day?
小英看一本120页的故事书，上午看了18页，下午看了22页，这一天，小英看了这本书总页数的几分之几？
<gadget id="calculator">18 + 22</gadget>
<output>40</output>

<gadget id="calculator">40 / 120</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>