long division
From Longman Dictionary of Contemporary EnglishRelated topics: Mathslong divisionˌlong diˈvision noun [uncountable] HMa method of dividing one large number by anotherExamples from the Corpuslong division• Doing long division is a mental process and so is making a joke.• Even Otto, the famous scientist, was a school-boy with a pencil, doing his long division.• And showing her his long division.• Using the powers of long division, that averages out to 11. 6875 points per game.