12.4 Plus 138.9 Addition :

Number 1 Number 2 Answer
12.4 138.9 151.3

How to calculate 12.4 plus 138.9 ?

Let's break down the addition of 012.4 and 138.9 step by step:

   012.4      <-- Start with the rightmost column
+  138.9
---------

    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   012.4
+  138.9
---------
     3


    Add the digits in the rightmost column:
        2 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   012.4
+  138.9
---------
     1.3


    Add the digits in the rightmost column:
        1 + 3 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   012.4
+  138.9
---------
     51.3


    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.

   012.4
+  138.9
---------
     151.3

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

The final result is 151.3.
So, 012.4 + 138.9 = 151.3

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