8.6 Plus 21 Addition :

Number 1	Number 2	Answer
8.6	21	29.6

How to calculate 8.6 plus 21 ?

Let's break down the addition of 08.6 and 2100 step by step:

   08.6      <-- 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.

   08.6
+  2100
---------
     6


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   08.6
+  2100
---------
     9.6


    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.

   08.6
+  2100
---------
     29.6

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

The final result is 29.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.7	30	38.7	8.7 plus 30
8.8	35	43.8	8.8 plus 35
8.9	43	51.9	8.9 plus 43
3.2	2	5.2	3.2 plus 2
0.9	8.1	9	0.9 plus 8.1
1.8	7.2	9	1.8 plus 7.2