Read Edit View history 公分母 gōngfēnmǔ common denominator Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 公分母 gōngfēnmǔ common denominator (math.) common denominator 进行分数加减法时，必须先求出公分母。 Edit Delete References Add reference No references for this word.