During the earthquake relief work, a certain unit of the People’s Liberation Army rushed to repair a section of (4/5) kilometers long road. In the first hour (2/5) of this section of road was repaired, and in the second hour (1/3) of this section of road was repaired. After finishing the repair in the 3rd hour, what fraction of the road was repaired in the 3rd hour?
在抗震救灾中，解放军某部抢修一段长(4/5)千米的公路，第1小时修了这段公路的(2/5)，第2小时修了这段公路的(1/3)，剩下的第3小时修完，第3小时修了这段路的几分之几？
<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">1 - (2/5) - (1/3)</gadget>
<output>4/15 = around 0.266667</output>

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