Origin of subtractionMedieval Latin subtractio from LL(Ec), a drawing back
Subtraction is the process used to calculate the difference between two amounts.
Determining that the number 100-50 = 50 is an example of subtraction.
a subtracting or being subtracted; esp., the mathematical process of finding the difference between two numbers or quantities
- The act or process of subtracting; deduction.
- The arithmetic operation of finding the difference between two quantities or numbers.
The operation of finding the difference between two numbers or quantities.
(countable and uncountable, plural subtractions)
- Addition is the process of expressing (in numeration or notation) a whole, the parts of which have already been expressed; while, if a whole has been expressed and also a part or parts, subtraction is the process of expressing the remainder.
- Thus multiplication and division in the power-series correspond to addition and subtraction in the index-series, and vice versa.
- - To find a square number which remains a square after the addition and subtraction of 5, put to our mathematician in presence of the emperor by John of Palermo, who, perhaps, was quite enough Leonardo's friend to set him such problems only as he had himself asked for.
- As an illustration, we may take the elementary processes of addition, subtraction, multiplication and division.
- Addition and Subtraction of Percentages.