Adaptable fraction: A fraction made up of three separate parts: numerator, slash , denominator. This method is often used when no mathematical sign and fractions are provided in a fount.

• 组合式分数:由分子、斜线和分母三个部分组合而成。当某一副字体没有把数学或分数符号包括在内时，多采用这个方法。