A story book, Xiaohong read the whole book (1/16) on the first day, read the whole book (1/8) on the second day, read the sum of the previous two days on the third day, read it on the third day What fraction of this book?
一本故事书，小红第一天看了全书的(1/16)，第二天看了全书的(1/8)，第三天看的是前两天的和，第三天看了这本书的几分之几？
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/16) + (1/8)</gadget>
<output>3/16 = around 0.1875</output>

<result>3/16 = around 0.1875</result>