During the three-day holiday on New Year's Day, Li Ming completed (6/10) of all the homework on the first day and (3/10) of all the homework on the second day. What percentage of all the homework was completed in the two days?
李明在元旦放假三天中，第一天完成了所有作业的(6/10)，第二天完成了全部作业的(3/10)，两天一共完成了全部作业的几分之几？
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/5) + (3/10)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>