6.4 Plus 66 Addition :

Number 1	Number 2	Answer
6.4	66	72.4

How to calculate 6.4 plus 66 ?

Let's break down the addition of 06.4 and 6600 step by step:

   06.4      <-- Start with the rightmost column
+  6600
---------

    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.

   06.4
+  6600
---------
     4


    Add the digits in the rightmost column:
        6 + 6 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   06.4
+  6600
---------
     2.4


    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.

   06.4
+  6600
---------
     72.4

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

The final result is 72.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	73	79.5	6.5 plus 73
6.6	80	86.6	6.6 plus 80
6.7	83	89.7	6.7 plus 83
0.7	5	5.7	0.7 plus 5
1.2	2	3.2	1.2 plus 2
5.9	0.9	6.8	5.9 plus 0.9