68.9 Plus 421 Addition :

Number 1 Number 2 Answer
68.9 421 489.9

How to calculate 68.9 plus 421 ?

Let's break down the addition of 068.9 and 42100 step by step:

   068.9      <-- Start with the rightmost column
+  42100
---------

    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.

   068.9
+  42100
---------
     9


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   068.9
+  42100
---------
     9.9


    Add the digits in the rightmost column:
        6 + 2 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   068.9
+  42100
---------
     89.9


    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.

   068.9
+  42100
---------
     489.9

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

The final result is 489.9.
So, 068.9 + 42100 = 489.9

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