SUM definition: the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition. See examples of sum used in …

SUM meaning: 1. an amount of money: 2. the whole number or amount when two or more numbers or amounts have been…. Learn more.

In mathematics, the sum of two numbers is the number that is obtained when they are added together.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers.

Illustrated definition of Sum: The result of adding two or more numbers. Example: 9 is the sum of 2, 4 and 3 (because 2 + 4 + 3 = 9). Drag...

Dec 5, 2016 · The meaning of SUM is an indefinite or specified amount of money. How to use sum in a sentence.

Dec 11, 2025 · Explore the concept of sum with detailed explanations, examples, and problem-solving techniques. Ideal for students and teachers.

Definition of sum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The sum can be defined as the result of the addition of two or more numbers. Learn the definition, how to find the sum on the number line, solved examples, and more.

When you take two or more numbers to add them, you have a total sum of two or more numbers. For instance, if this cat gives birth to 3 kittens, she is adding to her family.