21.5 Plus 487.8 Addition :

Number 1	Number 2	Answer
21.5	487.8	509.3

How to calculate 21.5 plus 487.8 ?

Let's break down the addition of 021.5 and 487.8 step by step:

   021.5      <-- Start with the rightmost column
+  487.8
---------

    Add the digits in the rightmost column:
        5 + 8 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   021.5
+  487.8
---------
     3


    Add the digits in the rightmost column:
        1 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.5
+  487.8
---------
     9.3


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

   021.5
+  487.8
---------
     09.3


    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.

   021.5
+  487.8
---------
     509.3

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

The final result is 509.3.

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