21.5 Plus 408 Addition :

Number 1 Number 2 Answer
21.5 408 429.5

How to calculate 21.5 plus 408 ?

Let's break down the addition of 021.5 and 40800 step by step:

   021.5      <-- Start with the rightmost column
+  40800
---------

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

   021.5
+  40800
---------
     5


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.5
+  40800
---------
     9.5


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

   021.5
+  40800
---------
     29.5


    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.

   021.5
+  40800
---------
     429.5

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

The final result is 429.5.
So, 021.5 + 40800 = 429.5

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