3.9 Plus 8 Addition :

Number 1	Number 2	Answer
3.9	8	11.9

How to calculate 3.9 plus 8 ?

Let's break down the addition of 3.9 and 800 step by step:

   3.9      <-- Start with the rightmost column
+  800
---------

    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
+  800
---------
     9


    Add the digits in the rightmost column:
        3 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   3.9
+  800
---------
     1.9

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

The final result is 11.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	9	13	4 plus 9
4.1	18	22.1	4.1 plus 18
4.2	23	27.2	4.2 plus 23
1.6	9.3	10.9	1.6 plus 9.3
1	2.8	3.8	1 plus 2.8
9.9	3.4	13.3	9.9 plus 3.4