20.4 Plus 684 Addition :

Number 1	Number 2	Answer
20.4	684	704.4

How to calculate 20.4 plus 684 ?

Let's break down the addition of 020.4 and 68400 step by step:

   020.4      <-- Start with the rightmost column
+  68400
---------

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

   020.4
+  68400
---------
     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.

   020.4
+  68400
---------
     4.4


    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.

   020.4
+  68400
---------
     04.4


    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.

   020.4
+  68400
---------
     704.4

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

The final result is 704.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	687	707.5	20.5 plus 687
20.6	696	716.6	20.6 plus 696
20.7	698	718.7	20.7 plus 698
7.1	1.3	8.4	7.1 plus 1.3
8	8	16	8 plus 8
2	7.6	9.6	2 plus 7.6