21.5 Plus 407.5 Addition :

Number 1	Number 2	Answer
21.5	407.5	429

How to calculate 21.5 plus 407.5 ?

Let's break down the addition of 021.5 and 407.5 step by step:

   021.5      <-- Start with the rightmost column
+  407.5
---------

    Add the digits in the rightmost column:
        5 + 5 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.5
+  407.5
---------
     0


    Add the digits in the rightmost column:
        1 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.5
+  407.5
---------
     9.0


    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
+  407.5
---------
     29.0


    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.

   021.5
+  407.5
---------
     429.0

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

The final result is 429.0.

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