6.4 Plus 77 Addition :

Number 1	Number 2	Answer
6.4	77	83.4

How to calculate 6.4 plus 77 ?

Let's break down the addition of 06.4 and 7700 step by step:

   06.4      <-- Start with the rightmost column
+  7700
---------

    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
+  7700
---------
     4


    Add the digits in the rightmost column:
        6 + 7 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   06.4
+  7700
---------
     3.4


    Add the digits in the rightmost column:
        0 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   06.4
+  7700
---------
     83.4

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

The final result is 83.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	81	87.5	6.5 plus 81
6.6	86	92.6	6.6 plus 86
6.7	91	97.7	6.7 plus 91
6.4	7.6	14	6.4 plus 7.6
2.3	2.7	5	2.3 plus 2.7
7	0.7	7.7	7 plus 0.7