# Decimal.Add() Method in C#

This method is used to add two specified decimal values.

Syntax: public static decimal Add (decimal a1, decimal a2);

Parameters:
a1: This parameter specifies the first value to add.
a2: This parameter specifies the second value to add.

Return Value: Decimal sum of a1 & a2.

Exceptions: This method will give OverflowException if the sum of a1 and a2 is less than smallest possible value of Decimal or greater than the largest possible value of Decimal.

Below programs illustrate the use of Decimal.Add(Decimal, Decimal) Method

Example 1:

 `// C# program to demonstrate the ` `// Decimal.Add(Decimal, Decimal)  ` `// Method ` `using` `System; ` `using` `System.Globalization; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main() ` `    ``{ ` `        ``try` `{ ` ` `  `            ``// Declaring the decimal ` `            ``// variables ` `            ``Decimal a1 = .01m; ` `            ``Decimal a2 = .03m; ` ` `  `            ``// adding the two Decimal value ` `            ``// using Add() method; ` `            ``Decimal value = Decimal.Add(a1, a2); ` ` `  `            ``// Display the sum ` `            ``Console.WriteLine(``"Decimal Sum : {0}"``, ` `                                           ``value); ` `        ``} ` ` `  `        ``catch` `(OverflowException e)  ` `        ``{ ` `            ``Console.Write(``"Exception Thrown: "``); ` `            ``Console.Write(``"{0}"``, e.GetType(), e.Message); ` `        ``} ` `    ``} ` `} `

Output:

```Decimal Sum : 0.04
```

Example 2: For OverflowException

 `// C# program to demonstrate the ` `// Decimal.Add(Decimal, Decimal) ` `// Method ` `using` `System; ` `using` `System.Globalization; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main() ` `    ``{ ` `        ``try` `{ ` ` `  `            ``// Declaring the decimal variables ` `            ``Decimal a1 = 1.01m; ` `            ``Decimal a2 = Decimal.MaxValue; ` ` `  `            ``// adding the two Decimal value ` `            ``// using Add() method; ` `            ``Decimal value = Decimal.Add(a1, a2); ` ` `  `            ``// Display the sum ` `            ``Console.WriteLine(``"Decimal Sum : {0}"``, ` `                                           ``value); ` `        ``} ` ` `  `        ``catch` `(OverflowException e)  ` `        ``{ ` `            ``Console.Write(``"Exception Thrown: "``); ` `            ``Console.Write(``"{0}"``, e.GetType(), e.Message); ` `        ``} ` `    ``} ` `} `

Output:

```Exception Thrown: System.OverflowException
```

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