8.1 Plus 21 Addition :

Number 1	Number 2	Answer
8.1	21	29.1

How to calculate 8.1 plus 21 ?

Let's break down the addition of 08.1 and 2100 step by step:

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

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

   08.1
+  2100
---------
     1


    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.

   08.1
+  2100
---------
     9.1


    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.

   08.1
+  2100
---------
     29.1

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

The final result is 29.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.2	23	31.2	8.2 plus 23
8.3	31	39.3	8.3 plus 31
8.4	39	47.4	8.4 plus 39
8.7	7	15.7	8.7 plus 7
4.3	5.4	9.7	4.3 plus 5.4
6.4	8.4	14.8	6.4 plus 8.4