過か失しつ割わり合あい

noun

percentage of fault; comparative negligence

Used in traffic accidents and insurance contexts to assign a share of blame to each party. Often expressed as a ratio like 80:20.

• 事じ故この過か失しつ割わり合あいは、相あい手てが8割わり、こちらが2割わりと判はん断だんされた。

  The percentage of fault for the accident was determined to be 80% for the other party and 20% for us.

• 保ほ険けん会がい社しゃと過か失しつ割わり合あいについて話はなし合あった。

  I discussed the comparative negligence with the insurance company.