12.2 Plus 21 Addition :

Number 1	Number 2	Answer
12.2	21	33.2

How to calculate 12.2 plus 21 ?

Let's break down the addition of 12.2 and 2100 step by step:

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

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

   12.2
+  2100
---------
     2


    Add the digits in the rightmost column:
        2 + 1 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   12.2
+  2100
---------
     3.2


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   12.2
+  2100
---------
     33.2

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

The final result is 33.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.3	30	42.3	12.3 plus 30
12.4	31	43.4	12.4 plus 31
12.5	38	50.5	12.5 plus 38
5.6	4.4	10	5.6 plus 4.4
2	3.1	5.1	2 plus 3.1
7.8	8.8	16.6	7.8 plus 8.8