1.2 Plus 21 Addition :

Number 1	Number 2	Answer
1.2	21	22.2

How to calculate 1.2 plus 21 ?

Let's break down the addition of 01.2 and 2100 step by step:

   01.2      <-- 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.

   01.2
+  2100
---------
     2


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

   01.2
+  2100
---------
     2.2


    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.

   01.2
+  2100
---------
     22.2

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

The final result is 22.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.3	24	25.3	1.3 plus 24
1.4	32	33.4	1.4 plus 32
1.5	33	34.5	1.5 plus 33
4.3	9	13.3	4.3 plus 9
8	1.1	9.1	8 plus 1.1
5.2	2.4	7.6	5.2 plus 2.4