One's share; the portion or allocation that belongs to oneself (e.g. food, work, cost).
ケーキはみんなで分けて、自分の分を取った。
We divided the cake and I took my share.
飲み会の費用は自分の分を計算して払った。
I calculated and paid my share of the party bill.
仕事はチームで分担して、自分の分を終えた。
We divided the work as a team and I finished my part.