6.4 Plus 0.4 Addition :

Number 1	Number 2	Answer
6.4	0.4	6.8

How to calculate 6.4 plus 0.4 ?

Let's break down the addition of 6.4 and 0.4 step by step:

   6.4      <-- Start with the rightmost column
+  0.4
---------

    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   6.4
+  0.4
---------
     8


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

   6.4
+  0.4
---------
     6.8

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

The final result is 6.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	6.4	12.9	6.5 plus 6.4
6.6	12.4	19	6.6 plus 12.4
6.7	19.4	26.1	6.7 plus 19.4
7.1	1.1	8.2	7.1 plus 1.1
9	8.5	17.5	9 plus 8.5
2.9	5.5	8.4	2.9 plus 5.5