9.9 Plus 6 Addition :

Number 1	Number 2	Answer
9.9	6	15.9

How to calculate 9.9 plus 6 ?

Let's break down the addition of 9.9 and 600 step by step:

   9.9      <-- Start with the rightmost column
+  600
---------

    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.

   9.9
+  600
---------
     9


    Add the digits in the rightmost column:
        9 + 6 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   9.9
+  600
---------
     5.9

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

The final result is 15.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	10	20	10 plus 10
10.1	11	21.1	10.1 plus 11
10.2	14	24.2	10.2 plus 14
5	9.1	14.1	5 plus 9.1
3	8.3	11.3	3 plus 8.3
3.2	1.8	5	3.2 plus 1.8