1) 約分やくぶん Parts 約 分 #45,650 Inflections of 約分 Class Suru verb Stem Inflected ending ✕ Link copied! やくぶん [0] Meaning Shirabe Noun Suru verb Transitive verb mathematics reduction (of a fraction to its lowest terms) Kanji 約 ヤク promise, approximately, shrink 分 ブン part, minute of time, segment Forms 約分#45,650約分やくぶんやくぶんやくぶん