100.9 Plus 2009 Addition :

Number 1	Number 2	Answer
100.9	2009	2109.9

How to calculate 100.9 plus 2009 ?

Let's break down the addition of 0100.9 and 200900 step by step:

   0100.9      <-- Start with the rightmost column
+  200900
---------

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   0100.9
+  200900
---------
     9


    Add the digits in the rightmost column:
        0 + 9 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   0100.9
+  200900
---------
     9.9


    Add the digits in the rightmost column:
        0 + 0 + 0 = 0
        Write down 0 in the rightmost column, carry over 0 to the next column.

   0100.9
+  200900
---------
     09.9


    Add the digits in the rightmost column:
        1 + 0 + 0 = 1
        Write down 1 in the rightmost column, carry over 0 to the next column.

   0100.9
+  200900
---------
     109.9


    Add the digits in the rightmost column:
        0 + 2 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   0100.9
+  200900
---------
     2109.9

    Continue to the left:
        There are no more columns to the left.

The final result is 2109.9.

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