It is known that the sum of three fractions is (10/11), and their denominators are the same, and the ratio of the numerators is 2:3:4. So, what is the largest of these three fractions?
已知三个分数的和是(10/11)，并且它们的分母相同，分子的比是2：3：4．那么，这三个分数中最大的是多少．
<gadget id="calculator">10 / 11</gadget>
<output>10/11 = around 0.909091</output>

<gadget id="calculator">2 + 3 + 4</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(10/11) * (4/9)</gadget>
<output>40/99 = around 0.40404</output>

<result>40/99 = around 0.40404</result>