The road repair team spent 3 days rushing to repair a 480-meter-long highway. On the first day, it repaired the full length (2/5), on the second day it repaired the full length (1/3), on the third day it repaired the full length What fraction of?
修路队用3天的时间抢修一条长480米的公路，第一天修了全长的(2/5)，第二天修了全长的(1/3)，第三天修的是全长的几分之几？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/5) + (1/3)</gadget>
<output>11/15 = around 0.733333</output>

<gadget id="calculator">1 - (11/15)</gadget>
<output>4/15 = around 0.266667</output>

<result>4/15 = around 0.266667</result>