86.9 Plus 423 Addition :

Number 1 Number 2 Answer
86.9 423 509.9

How to calculate 86.9 plus 423 ?

Let's break down the addition of 086.9 and 42300 step by step:

   086.9      <-- Start with the rightmost column
+  42300
---------

    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.

   086.9
+  42300
---------
     9


    Add the digits in the rightmost column:
        6 + 3 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   086.9
+  42300
---------
     9.9


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

   086.9
+  42300
---------
     09.9


    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.

   086.9
+  42300
---------
     509.9

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

The final result is 509.9.
So, 086.9 + 42300 = 509.9

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