公分母 こうぶんぼ Meanings Noun common denominator Kanji 公 public. Read as コウ. 分 part. Read as ブン. 母 mother. Read as ボ. Words containing 公分母 最小公分母 (さいしょうこうぶんぼ) lowest common denominator Word lists Mathematics Jinuma: Japanese Dictionary · Word lists