21 Plus 685.4 Addition :

Number 1	Number 2	Answer
21	685.4	706.4

How to calculate 21 plus 685.4 ?

Let's break down the addition of 02100 and 685.4 step by step:

   02100      <-- Start with the rightmost column
+  685.4
---------

    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
+  685.4
---------
     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
+  685.4
---------
     04


    Add the digits in the rightmost column:
        1 + 5 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   02100
+  685.4
---------
     604


    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.

   02100
+  685.4
---------
     0604


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   02100
+  685.4
---------
     70604

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

The final result is 70604.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	694.4	715.5	21.1 plus 694.4
21.2	701.4	722.6	21.2 plus 701.4
21.3	704.4	725.7	21.3 plus 704.4
9	4.1	13.1	9 plus 4.1
6.1	1	7.1	6.1 plus 1
3.5	8.9	12.4	3.5 plus 8.9