9 Plus 9.9 Addition :

Number 1	Number 2	Answer
9	9.9	18.9

How to calculate 9 plus 9.9 ?

Let's break down the addition of 900 and 9.9 step by step:

   900      <-- Start with the rightmost column
+  9.9
---------

    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.

   900
+  9.9
---------
     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.

   900
+  9.9
---------
     09


    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   900
+  9.9
---------
     809

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

The final result is 1809.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.1	13.9	23	9.1 plus 13.9
9.2	21.9	31.1	9.2 plus 21.9
9.3	22.9	32.2	9.3 plus 22.9
6.6	8.4	15	6.6 plus 8.4
2.8	4.3	7.1	2.8 plus 4.3
2.9	5	7.9	2.9 plus 5