18.4 Plus 420.6 Addition :

Number 1 Number 2 Answer
18.4 420.6 439

How to calculate 18.4 plus 420.6 ?

Let's break down the addition of 018.4 and 420.6 step by step:

   018.4      <-- Start with the rightmost column
+  420.6
---------

    Add the digits in the rightmost column:
        4 + 6 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   018.4
+  420.6
---------
     0


    Add the digits in the rightmost column:
        8 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   018.4
+  420.6
---------
     9.0


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   018.4
+  420.6
---------
     39.0


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

   018.4
+  420.6
---------
     439.0

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

The final result is 439.0.
So, 018.4 + 420.6 = 439.0

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