6.6 Plus 9 Addition :

Number 1	Number 2	Answer
6.6	9	15.6

How to calculate 6.6 plus 9 ?

Let's break down the addition of 6.6 and 900 step by step:

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

    Add the digits in the rightmost column:
        6 + 0 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   6.6
+  900
---------
     6


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

   6.6
+  900
---------
     5.6

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

The final result is 15.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.7	12	18.7	6.7 plus 12
6.8	14	20.8	6.8 plus 14
6.9	18	24.9	6.9 plus 18
4.7	1	5.7	4.7 plus 1
2.8	3.6	6.4	2.8 plus 3.6
8.8	6.2	15	8.8 plus 6.2