80.8 Plus 640 Addition :

Number 1	Number 2	Answer
80.8	640	720.8

How to calculate 80.8 plus 640 ?

Let's break down the addition of 080.8 and 64000 step by step:

   080.8      <-- Start with the rightmost column
+  64000
---------

    Add the digits in the rightmost column:
        8 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   080.8
+  64000
---------
     8


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

   080.8
+  64000
---------
     0.8


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   080.8
+  64000
---------
     20.8


    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.

   080.8
+  64000
---------
     720.8

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

The final result is 720.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
80.9	646	726.9	80.9 plus 646
81	654	735	81 plus 654
81.1	655	736.1	81.1 plus 655
0.8	0.2	1	0.8 plus 0.2
8.4	3	11.4	8.4 plus 3
5.8	5.3	11.1	5.8 plus 5.3