80.4 Plus 669 Addition :

Number 1	Number 2	Answer
80.4	669	749.4

How to calculate 80.4 plus 669 ?

Let's break down the addition of 080.4 and 66900 step by step:

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

    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.

   080.4
+  66900
---------
     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.

   080.4
+  66900
---------
     9.4


    Add the digits in the rightmost column:
        8 + 6 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   080.4
+  66900
---------
     49.4


    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.

   080.4
+  66900
---------
     749.4

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

The final result is 749.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
80.5	674	754.5	80.5 plus 674
80.6	677	757.6	80.6 plus 677
80.7	683	763.7	80.7 plus 683
4.5	7.8	12.3	4.5 plus 7.8
9.7	9.9	19.6	9.7 plus 9.9
1.6	1.3	2.9	1.6 plus 1.3