20.4 Plus 669.6 Addition :

Number 1	Number 2	Answer
20.4	669.6	690

How to calculate 20.4 plus 669.6 ?

Let's break down the addition of 020.4 and 669.6 step by step:

   020.4      <-- Start with the rightmost column
+  669.6
---------

    Add the digits in the rightmost column:
        4 + 6 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.4
+  669.6
---------
     0


    Add the digits in the rightmost column:
        0 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.4
+  669.6
---------
     0.0


    Add the digits in the rightmost column:
        2 + 6 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.4
+  669.6
---------
     90.0


    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
+  669.6
---------
     690.0

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

The final result is 690.0.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	673.6	694.1	20.5 plus 673.6
20.6	674.6	695.2	20.6 plus 674.6
20.7	675.6	696.3	20.7 plus 675.6
4.7	5	9.7	4.7 plus 5
0.2	6.6	6.8	0.2 plus 6.6
7.1	7.7	14.8	7.1 plus 7.7