21 Plus 489.4 Addition :

Number 1	Number 2	Answer
21	489.4	510.4

How to calculate 21 plus 489.4 ?

Let's break down the addition of 02100 and 489.4 step by step:

   02100      <-- Start with the rightmost column
+  489.4
---------

    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.

   02100
+  489.4
---------
     4


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

   02100
+  489.4
---------
     04


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   02100
+  489.4
---------
     004


    Add the digits in the rightmost column:
        2 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   02100
+  489.4
---------
     1004


    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.

   02100
+  489.4
---------
     51004

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

The final result is 51004.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	497.4	518.5	21.1 plus 497.4
21.2	499.4	520.6	21.2 plus 499.4
21.3	502.4	523.7	21.3 plus 502.4
6.2	3.1	9.3	6.2 plus 3.1
9.4	7.5	16.9	9.4 plus 7.5
8.5	4.2	12.7	8.5 plus 4.2