18.9 Plus 489 Addition :

Number 1 Number 2 Answer
18.9 489 507.9

How to calculate 18.9 plus 489 ?

Let's break down the addition of 018.9 and 48900 step by step:

   018.9      <-- Start with the rightmost column
+  48900
---------

    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.

   018.9
+  48900
---------
     9


    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   018.9
+  48900
---------
     7.9


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

   018.9
+  48900
---------
     07.9


    Add the digits in the rightmost column:
        0 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   018.9
+  48900
---------
     507.9

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

The final result is 507.9.
So, 018.9 + 48900 = 507.9

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