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	696	716.5	20.5 plus 696
20.6	703	723.6	20.6 plus 703
20.7	712	732.7	20.7 plus 712
7.4	8	15.4	7.4 plus 8
9.1	7.6	16.7	9.1 plus 7.6
0.2	3.3	3.5	0.2 plus 3.3