What is the sum of the largest true fraction and the smallest false fraction whose denominator is 8?
分母是8的最大真分数与最小假分数的和是多少．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">8 / 8</gadget>
<output>1</output>

<gadget id="calculator">(7/8) + 1</gadget>
<output>15/8 = around 1.875</output>

<result>15/8 = around 1.875</result>