In the two fractions (4/5) and (6/7), how much is the small number in the large number.
(4/5)和(6/7)这两个分数中，小数是大数的多少．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(4/5) / (6/7)</gadget>
<output>14/15 = around 0.933333</output>

<result>14/15 = around 0.933333</result>