Compare the magnitudes of the fractions (2/7) and (4/7), which is the larger
比较分数(2/7)和(4/7)的大小，较大的是多少
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<result>4/7 = around 0.571429</result>