What is the smallest fraction among the three numbers (4/9), (4/7), and (5/7)
在(4/9)、(4/7)、(5/7)这三个数中最小的分数是多少
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>