21.8 Plus 820.4 Addition :

Number 1	Number 2	Answer
21.8	820.4	842.2

How to calculate 21.8 plus 820.4 ?

Let's break down the addition of 021.8 and 820.4 step by step:

   021.8      <-- Start with the rightmost column
+  820.4
---------

    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   021.8
+  820.4
---------
     2


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

   021.8
+  820.4
---------
     2.2


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   021.8
+  820.4
---------
     42.2


    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.

   021.8
+  820.4
---------
     842.2

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

The final result is 842.2.

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Number 1	Number 2	ANSWER:	HOW TO ?
21.9	823.4	845.3	21.9 plus 823.4
22	824.4	846.4	22 plus 824.4
22.1	829.4	851.5	22.1 plus 829.4
1	7.8	8.8	1 plus 7.8
9	7.5	16.5	9 plus 7.5
3	8.6	11.6	3 plus 8.6