20.4 Plus 665 Addition :

Number 1	Number 2	Answer
20.4	665	685.4

How to calculate 20.4 plus 665 ?

Let's break down the addition of 020.4 and 66500 step by step:

   020.4      <-- Start with the rightmost column
+  66500
---------

    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
+  66500
---------
     4


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

   020.4
+  66500
---------
     5.4


    Add the digits in the rightmost column:
        2 + 6 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   020.4
+  66500
---------
     85.4


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

   020.4
+  66500
---------
     685.4

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

The final result is 685.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	670	690.5	20.5 plus 670
20.6	678	698.6	20.6 plus 678
20.7	683	703.7	20.7 plus 683
5.4	9	14.4	5.4 plus 9
9	9.8	18.8	9 plus 9.8
9.5	3.9	13.4	9.5 plus 3.9