2.9 Plus 9 Addition :

Number 1	Number 2	Answer
2.9	9	11.9

How to calculate 2.9 plus 9 ?

Let's break down the addition of 2.9 and 900 step by step:

   2.9      <-- Start with the rightmost column
+  900
---------

    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.

   2.9
+  900
---------
     9


    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   2.9
+  900
---------
     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 ?
3	18	21	3 plus 18
3.1	21	24.1	3.1 plus 21
3.2	22	25.2	3.2 plus 22
8.6	9	17.6	8.6 plus 9
2.3	6.8	9.1	2.3 plus 6.8
4.3	0.7	5	4.3 plus 0.7