3.9 Plus 0.4 Addition :

Number 1	Number 2	Answer
3.9	0.4	4.3

How to calculate 3.9 plus 0.4 ?

Let's break down the addition of 3.9 and 0.4 step by step:

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

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   3.9
+  0.4
---------
     3


    Add the digits in the rightmost column:
        3 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   3.9
+  0.4
---------
     4.3

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

The final result is 4.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	4.4	8.4	4 plus 4.4
4.1	10.4	14.5	4.1 plus 10.4
4.2	13.4	17.6	4.2 plus 13.4
6.2	4.1	10.3	6.2 plus 4.1
1.8	0.2	2	1.8 plus 0.2
3.2	9	12.2	3.2 plus 9