8.1 Plus 129.9 Addition :

Number 1 Number 2 Answer
8.1 129.9 138

How to calculate 8.1 plus 129.9 ?

Let's break down the addition of 008.1 and 129.9 step by step:

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

    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   008.1
+  129.9
---------
     0


    Add the digits in the rightmost column:
        8 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   008.1
+  129.9
---------
     8.0


    Add the digits in the rightmost column:
        0 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   008.1
+  129.9
---------
     38.0


    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.

   008.1
+  129.9
---------
     138.0

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

The final result is 138.0.
So, 008.1 + 129.9 = 138.0

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