The fruit shop shipped a batch of fruits, sold all (1/5) on the first day, and sold all (2/5) on the second day, what fraction of all the fruits were sold in the two days?
水果店运来一批水果，第一天卖出全部的(1/5)，第二天卖出全部的(2/5)，两天一共卖出全部水果的几分之几？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/5) + (2/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>