6.6 Plus 21 Addition :

Number 1	Number 2	Answer
6.6	21	27.6

How to calculate 6.6 plus 21 ?

Let's break down the addition of 06.6 and 2100 step by step:

   06.6      <-- Start with the rightmost column
+  2100
---------

    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.

   06.6
+  2100
---------
     6


    Add the digits in the rightmost column:
        6 + 1 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   06.6
+  2100
---------
     7.6


    Add the digits in the rightmost column:
        0 + 2 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   06.6
+  2100
---------
     27.6

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

The final result is 27.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.7	24	30.7	6.7 plus 24
6.8	26	32.8	6.8 plus 26
6.9	34	40.9	6.9 plus 34
9	4.2	13.2	9 plus 4.2
5.5	4.7	10.2	5.5 plus 4.7
4.8	5.2	10	4.8 plus 5.2