Addition Calculator (+)
Enter two numbers to calculate their sum instantly.
Sum = a + b
25 + 75 = 100
What is addition?
Addition is a mathematical operation that represents combining two or more quantities into a single total or sum.
What are the parts of an addition problem?
The numbers being added are called "addends," and the result is called the "sum."
Does the order of addition matter?
No. Addition is commutative, meaning a + b = b + a. The result will be the same regardless of the order.
Can I add negative numbers?
Yes! Adding a negative number is equivalent to subtracting its positive value. For example, 10 + (-3) = 7.
🔗 Related Calculators
📐 Formula
Sum = a + b
📝 Example Calculation
25 + 75 = 100
❓ Frequently Asked Questions
What is addition?▼
Addition is a mathematical operation that represents combining two or more quantities into a single total or sum.
What are the parts of an addition problem?▼
The numbers being added are called "addends," and the result is called the "sum."
Does the order of addition matter?▼
No. Addition is commutative, meaning a + b = b + a. The result will be the same regardless of the order.
Can I add negative numbers?▼
Yes! Adding a negative number is equivalent to subtracting its positive value. For example, 10 + (-3) = 7.