3.9 Plus 3 Addition :

Number 1	Number 2	Answer
3.9	3	6.9

How to calculate 3.9 plus 3 ?

Let's break down the addition of 3.9 and 300 step by step:

   3.9      <-- Start with the rightmost column
+  300
---------

    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.

   3.9
+  300
---------
     9


    Add the digits in the rightmost column:
        3 + 3 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   3.9
+  300
---------
     6.9

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

The final result is 6.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	5	9	4 plus 5
4.1	12	16.1	4.1 plus 12
4.2	14	18.2	4.2 plus 14
3.5	1.7	5.2	3.5 plus 1.7
2.1	1.7	3.8	2.1 plus 1.7
5.5	5.6	11.1	5.5 plus 5.6