20.9 Plus 388 Addition :

Number 1	Number 2	Answer
20.9	388	408.9

How to calculate 20.9 plus 388 ?

Let's break down the addition of 020.9 and 38800 step by step:

   020.9      <-- Start with the rightmost column
+  38800
---------

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

   020.9
+  38800
---------
     9


    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.

   020.9
+  38800
---------
     8.9


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.9
+  38800
---------
     08.9


    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.

   020.9
+  38800
---------
     408.9

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

The final result is 408.9.

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Number 1	Number 2	ANSWER:	HOW TO ?
21	396	417	21 plus 396
21.1	402	423.1	21.1 plus 402
21.2	404	425.2	21.2 plus 404
2.4	1.6	4	2.4 plus 1.6
7.1	4.7	11.8	7.1 plus 4.7
1	1.4	2.4	1 plus 1.4