Min Min reads a story book, read the whole book (1/8) on the first day, and read the whole book (5/8) on the second day. What fraction of this book did Minmin read in two days? How much less did you watch on the first day than on the second day?
敏敏看一本故事书，第一天看了全书的(1/8)，第2天看了全书的(5/8)．敏敏两天一共看了这本书的几分之几？第一天比第二天少看几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) - (1/8)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>