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# AdditiveArithmetic Implementations

## Topics

### Operators

[`static func + (Decimal, Decimal) -> Decimal`](/documentation/Foundation/Decimal/+(_:_:))

Adds two decimal numbers.

[`static func += (inout Decimal, Decimal)`](/documentation/Foundation/Decimal/+=(_:_:))

Adds two decimal numbers, storing the result in the first number.

[`static func - (Decimal, Decimal) -> Decimal`](/documentation/Foundation/Decimal/-(_:_:))

Subtracts one decimal number from another.

[`static func -= (inout Decimal, Decimal)`](/documentation/Foundation/Decimal/-=(_:_:))

Subtracts one decimal number from another, storing the result in the first number.

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