20.4 Plus 398.4 Addition :

Number 1	Number 2	Answer
20.4	398.4	418.8

How to calculate 20.4 plus 398.4 ?

Let's break down the addition of 020.4 and 398.4 step by step:

   020.4      <-- Start with the rightmost column
+  398.4
---------

    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   020.4
+  398.4
---------
     8


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

   020.4
+  398.4
---------
     8.8


    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   020.4
+  398.4
---------
     18.8


    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.

   020.4
+  398.4
---------
     418.8

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

The final result is 418.8.

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1.7	7.3	9	1.7 plus 7.3
7	6.1	13.1	7 plus 6.1
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