The numerator and denominator of a simplest proper fraction are both composite numbers, and their least common multiple is 72. The simplest true fraction is ((())/(())).
一个最简真分数的分子和分母都是合数，它们的最小公倍数是72．这个最简真分数是((())/(()))．
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>