Read Edit View history 公分母 gōngfēnmǔ common denominator Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 公分母 · gōngfēnmǔ · common denominator 2026/03/04 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。 created sense Mar 4, 2026, 02:25 AM