2.1 Plus 3.9 Addition :

Number 1	Number 2	Answer
2.1	3.9	6

How to calculate 2.1 plus 3.9 ?

Let's break down the addition of 2.1 and 3.9 step by step:

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

    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   2.1
+  3.9
---------
     0


    Add the digits in the rightmost column:
        2 + 3 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   2.1
+  3.9
---------
     6.0

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

The final result is 6.0.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.2	4.9	7.1	2.2 plus 4.9
2.3	8.9	11.2	2.3 plus 8.9
2.4	17.9	20.3	2.4 plus 17.9
7	1.6	8.6	7 plus 1.6
3.6	1.7	5.3	3.6 plus 1.7
2	1.2	3.2	2 plus 1.2