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	685	705.5	20.5 plus 685
20.6	694	714.6	20.6 plus 694
20.7	703	723.7	20.7 plus 703
0.4	4.1	4.5	0.4 plus 4.1
3.1	5.5	8.6	3.1 plus 5.5
2.5	2.8	5.3	2.5 plus 2.8