9.9 Plus 120 Addition :

Number 1 Number 2 Answer
9.9 120 129.9

How to calculate 9.9 plus 120 ?

Let's break down the addition of 009.9 and 12000 step by step:

   009.9      <-- Start with the rightmost column
+  12000
---------

    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.

   009.9
+  12000
---------
     9


    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.

   009.9
+  12000
---------
     9.9


    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.

   009.9
+  12000
---------
     29.9


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

   009.9
+  12000
---------
     129.9

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

The final result is 129.9.
So, 009.9 + 12000 = 129.9

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