20.9 Plus 407.1 Addition :

Number 1	Number 2	Answer
20.9	407.1	428

How to calculate 20.9 plus 407.1 ?

Let's break down the addition of 020.9 and 407.1 step by step:

   020.9      <-- Start with the rightmost column
+  407.1
---------

    Add the digits in the rightmost column:
        9 + 1 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.9
+  407.1
---------
     0


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

   020.9
+  407.1
---------
     8.0


    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.

   020.9
+  407.1
---------
     28.0


    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.

   020.9
+  407.1
---------
     428.0

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

The final result is 428.0.

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Number 1	Number 2	ANSWER:	HOW TO ?
21	409.1	430.1	21 plus 409.1
21.1	418.1	439.2	21.1 plus 418.1
21.2	424.1	445.3	21.2 plus 424.1
1.2	7.2	8.4	1.2 plus 7.2
6.4	8.4	14.8	6.4 plus 8.4
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