Add 1 to the numerator of a fraction, and the fraction is 1. If you add 1 to the denominator of this fraction, this fraction is (7/8), what is the original fraction?
一个分数的分子加1，这个分数是1．如果把这个分数的分母加1，这个分数就是(7/8)，原来的这个分数是多少？
<gadget id="calculator">16 - 1</gadget>
<output>15</output>

<gadget id="calculator">14 / 15</gadget>
<output>14/15 = around 0.933333</output>

<result>14/15 = around 0.933333</result>