18.9 Plus 424 Addition :

Number 1 Number 2 Answer
18.9 424 442.9

How to calculate 18.9 plus 424 ?

Let's break down the addition of 018.9 and 42400 step by step:

   018.9      <-- Start with the rightmost column
+  42400
---------

    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
+  42400
---------
     9


    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.

   018.9
+  42400
---------
     2.9


    Add the digits in the rightmost column:
        1 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   018.9
+  42400
---------
     42.9


    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.

   018.9
+  42400
---------
     442.9

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

The final result is 442.9.
So, 018.9 + 42400 = 442.9

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