Splitting the cost equally among people (splitting the bill); a Dutch treat.
飲み会はみんなで割り勘にしましょう。
Let's split the bill evenly for the drinking party.
割り勘だと気楽でいいが、計算が面倒なこともある。
Splitting the bill is convenient, but sometimes the calculation is a hassle.
彼女はいつも割り勘を提案するタイプだ。
She is the type to always suggest splitting the bill.