20.4 Plus 689 Addition :

Number 1	Number 2	Answer
20.4	689	709.4

How to calculate 20.4 plus 689 ?

Let's break down the addition of 020.4 and 68900 step by step:

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

    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
+  68900
---------
     4


    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.

   020.4
+  68900
---------
     9.4


    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
+  68900
---------
     09.4


    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
+  68900
---------
     709.4

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

The final result is 709.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	697	717.5	20.5 plus 697
20.6	704	724.6	20.6 plus 704
20.7	713	733.7	20.7 plus 713
5.8	0.2	6	5.8 plus 0.2
8.5	0.3	8.8	8.5 plus 0.3
7.3	6.2	13.5	7.3 plus 6.2