3 Plus 0.9 Addition :

Number 1	Number 2	Answer
3	0.9	3.9

How to calculate 3 plus 0.9 ?

Let's break down the addition of 300 and 0.9 step by step:

   300      <-- Start with the rightmost column
+  0.9
---------

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

   300
+  0.9
---------
     9


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

   300
+  0.9
---------
     09


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

   300
+  0.9
---------
     309

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

The final result is 309.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
3.1	9.9	13	3.1 plus 9.9
3.2	12.9	16.1	3.2 plus 12.9
3.3	15.9	19.2	3.3 plus 15.9
8.9	8	16.9	8.9 plus 8
2.7	2.7	5.4	2.7 plus 2.7
1.6	3.2	4.8	1.6 plus 3.2