Given the equation (1/15)=(1/(A))+(1/(B)), where A and B are non-zero natural numbers, find the maximum value of A+B.
已知等式(1/15)=(1/(A))+(1/(B))，其中A，B是非零自然数，求A+B的最大值．
<gadget id="calculator">16 + 240</gadget>
<output>256</output>

<result>256</result>