20.9 Plus 669 Addition :

Number 1	Number 2	Answer
20.9	669	689.9

How to calculate 20.9 plus 669 ?

Let's break down the addition of 020.9 and 66900 step by step:

   020.9      <-- Start with the rightmost column
+  66900
---------

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

   020.9
+  66900
---------
     9


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

   020.9
+  66900
---------
     9.9


    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.

   020.9
+  66900
---------
     89.9


    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.

   020.9
+  66900
---------
     689.9

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

The final result is 689.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21	676	697	21 plus 676
21.1	681	702.1	21.1 plus 681
21.2	689	710.2	21.2 plus 689
9.1	2.6	11.7	9.1 plus 2.6
5.2	6.3	11.5	5.2 plus 6.3
4.6	7.8	12.4	4.6 plus 7.8