Xiao Ming reads a book, the number of pages he read on the first day is less than the second day (1/4), the number of pages he reads on the second day is equivalent to the number of pages in the whole book (1/9), and the number of pages he reads on the first day What fraction of the number of pages in the book?
小明读一本书，第一天读的页数比第二天少(1/4)，第二天读的页数相当于全书页数的(1/9)，第一天读的页数相当于全书页数的几分之几？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

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

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/9) * (3/4)</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>