3 sentences for 分数 (fēn​shù — fraction)

1. 在分数四分之三中，三是分子。

   zài fēn​shù sì fēn​zhī sān zhōng, sān shì fēn​zǐ.

   In the fraction three-quarters, three is the numerator.

   Source: Dong Chinese Dictionary

2. 这个分数可以约简为三分之一。

   zhè gè fēn​shù kě​yǐ yuē jiǎn wéi sān​fēn​zhī​yī.

   This fraction can be reduced to one-third.

   Source: Dong Chinese Dictionary

3. 在这个数学题中，你需要把百分数转换成分数。

   zài zhè​ge shù​xué tí zhōng, nǐ xū​yào bǎ bǎi​fēn​shù zhuǎn​huàn chéng fēn​shù.

   In this math problem, you need to convert the percentage into a fraction.

   Source: Dong Chinese Dictionary