Arrange the 5 fractions (10/17), (12/19), (15/23), (20/33), (30/49) in ascending order, what is the largest number?
将5个分数(10/17)、(12/19)、(15/23)、(20/33)、(30/49)按从小到大的顺序排列，最大的数是多少．
<gadget id="calculator">15 / 23</gadget>
<output>15/23 = around 0.652174</output>

<result>15/23 = around 0.652174</result>