The calculation result of 0.{_{1}**(•)}+0.{_{2}**(•)}+0.{_{5}**(•)} written as the simplest fraction is How many.
将0.{_{1}**(•)}+0.{_{2}**(•)}+0.{_{5}**(•)}的计算结果写成最简分数是多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(1/9) + (2/9) + (5/9)</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>