Among (3/8), (1/4), (4/5), what is the largest fraction of the fraction unit
(3/8)、(1/4)、(4/5)中，分数单位最大的分数是多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>