(21/23), (84/89), (12/13), (28/31), (14/15) what is the largest of these 5 fractions
(21/23)，(84/89)，(12/13)，(28/31)，(14/15)这5个分数中最大的是多少
<gadget id="calculator">84 / 89</gadget>
<output>84/89 = around 0.94382</output>

<result>84/89 = around 0.94382</result>