12.3 Plus 129.9 Addition :

Number 1 Number 2 Answer
12.3 129.9 142.2

How to calculate 12.3 plus 129.9 ?

Let's break down the addition of 012.3 and 129.9 step by step:

   012.3      <-- Start with the rightmost column
+  129.9
---------

    Add the digits in the rightmost column:
        3 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   012.3
+  129.9
---------
     2


    Add the digits in the rightmost column:
        2 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   012.3
+  129.9
---------
     2.2


    Add the digits in the rightmost column:
        1 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   012.3
+  129.9
---------
     42.2


    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.

   012.3
+  129.9
---------
     142.2

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

The final result is 142.2.
So, 012.3 + 129.9 = 142.2

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