6.9 Plus 4 Addition :

Number 1	Number 2	Answer
6.9	4	10.9

How to calculate 6.9 plus 4 ?

Let's break down the addition of 6.9 and 400 step by step:

   6.9      <-- Start with the rightmost column
+  400
---------

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   6.9
+  400
---------
     9


    Add the digits in the rightmost column:
        6 + 4 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   6.9
+  400
---------
     0.9

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

The final result is 10.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7	9	16	7 plus 9
7.1	12	19.1	7.1 plus 12
7.2	19	26.2	7.2 plus 19
2.2	5.6	7.8	2.2 plus 5.6
3.6	9.1	12.7	3.6 plus 9.1
8	3.7	11.7	8 plus 3.7