simple fraction (1/8)>((a)/(b))>(1/9), when the denominator is the smallest, a+b=how much.
一个最简分数(1/8)＞((a)/(b))＞(1/9)，当分母最小时，a+b=多少．
<gadget id="calculator">17 + 144</gadget>
<output>161</output>

<result>161</result>