20.9 Plus 689 Addition :

Number 1	Number 2	Answer
20.9	689	709.9

How to calculate 20.9 plus 689 ?

Let's break down the addition of 020.9 and 68900 step by step:

   020.9      <-- Start with the rightmost column
+  68900
---------

    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
+  68900
---------
     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
+  68900
---------
     9.9


    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.

   020.9
+  68900
---------
     09.9


    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.

   020.9
+  68900
---------
     709.9

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

The final result is 709.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21	695	716	21 plus 695
21.1	704	725.1	21.1 plus 704
21.2	710	731.2	21.2 plus 710
0.5	5.4	5.9	0.5 plus 5.4
5	2.9	7.9	5 plus 2.9
6.7	4.1	10.8	6.7 plus 4.1