There is a column of numbers (1/1), (2/2), (1/2), (3/3), (2/3), (1/3), (4/4), (3/4) , (2/4)..., what is the 150th fraction in this column.
有一列数(1/1)，(2/2)，(1/2)，(3/3)，(2/3)，(1/3)，(4/4)，(3/4)，(2/4)…，这列数中的第150个分数是多少．
<gadget id="calculator">150 - 137</gadget>
<output>13</output>

<gadget id="calculator">17 - 13</gadget>
<output>4</output>

<gadget id="calculator">4 / 17</gadget>
<output>4/17 = around 0.235294</output>

<result>4/17 = around 0.235294</result>