21.1 Plus 407 Addition :

Number 1	Number 2	Answer
21.1	407	428.1

How to calculate 21.1 plus 407 ?

Let's break down the addition of 021.1 and 40700 step by step:

   021.1      <-- Start with the rightmost column
+  40700
---------

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

   021.1
+  40700
---------
     1


    Add the digits in the rightmost column:
        1 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   021.1
+  40700
---------
     8.1


    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.

   021.1
+  40700
---------
     28.1


    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.

   021.1
+  40700
---------
     428.1

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

The final result is 428.1.

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21.2	415	436.2	21.2 plus 415
21.3	418	439.3	21.3 plus 418
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4.2	4.1	8.3	4.2 plus 4.1
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