fractionlet

例句：

1. 1. The problem can be divided into several fractions.
   这个问题可以分成几个分数。
2. 2. The ratio of the two parts is 3:4, which means that one third is a fractionlet.
   这两部分的比例是3:4，这意味着三分之一是一个分数。
3. 3. The fractionlet of the circle is π/2, which is approximately equal to 3.14.
   圆的分数部分大约等于3.14。