- 公分母 gōngfēnmǔ common denominator (math)(mathematics) a common multiple of the denominators of two or more fractions
- 公分子 gōngfēnzǐ common numerator(math) the least common multiple of the numerators of two or more fractions
- 公分儿 gōngfènr joint giftmoney contributed by a group for a shared gift or communal expense
- 最小公分母 zuìxiǎogōngfēnmǔ lowest common denominatorthe smallest number that can be used as a common denominator for a set of fractions; the least common multiple of the denominators
- 平方公分 píngfānggōngfēn square centimetera unit of area equal to a square with sides of one centimeter
- 立方公分 lìfānggōngfēn cubic centimeterunit of measurement for volume; equivalent to 0.000001 cubic meters