Three classes of sixth grade in a certain school donated money to the disaster area. The money donated by Class A was shared by Classes B and C (2/3), and the money donated by Class B was shared by Classes A and C (2/5). Ask Class C What fraction of the money donated is the sum of Class A and Class B?
某校六年级三个班为灾区捐款，甲班捐款的饯是乙、丙班和的(2/3)，乙班捐款的钱是甲、丙班和的(2/5)，问丙班捐的钱是甲、乙两班和的几分之几？
<gadget id="calculator">35 - 11</gadget>
<output>24</output>

<gadget id="calculator">11 / 24</gadget>
<output>11/24 = around 0.458333</output>

<result>11/24 = around 0.458333</result>