A: B=(4/7), if the front and back terms of the ratio are divided by 3 at the same time, what is the ratio
A：B=(4/7)，如果比的前项和后项同时除以3，比值是多少
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

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