The numerator of a fraction is the product of two numbers that are reciprocals of each other, and the denominator is the largest composite number within 10. What is this fraction?
一个分数的分子是互为倒数的两个数的积，分母是10以内最大的合数，这个分数是多少？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>