3.9 Plus 138.1 Addition :

Number 1 Number 2 Answer
3.9 138.1 142

How to calculate 3.9 plus 138.1 ?

Let's break down the addition of 003.9 and 138.1 step by step:

   003.9      <-- Start with the rightmost column
+  138.1
---------

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

   003.9
+  138.1
---------
     0


    Add the digits in the rightmost column:
        3 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   003.9
+  138.1
---------
     2.0


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   003.9
+  138.1
---------
     42.0


    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.

   003.9
+  138.1
---------
     142.0

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

The final result is 142.0.
So, 003.9 + 138.1 = 142.0

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