What is the largest of the four fractions (10/17), (12/19), (15/23), (60/69)
四个分数(10/17)、(12/19)、(15/23)、(60/69)中最大的一个是多少
<gadget id="calculator">60 / 69</gadget>
<output>20/23 = around 0.869565</output>

<result>20/23 = around 0.869565</result>