7.2 Plus 21 Addition :

Number 1	Number 2	Answer
7.2	21	28.2

How to calculate 7.2 plus 21 ?

Let's break down the addition of 07.2 and 2100 step by step:

   07.2      <-- 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.

   07.2
+  2100
---------
     2


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   07.2
+  2100
---------
     8.2


    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.

   07.2
+  2100
---------
     28.2

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

The final result is 28.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.3	27	34.3	7.3 plus 27
7.4	31	38.4	7.4 plus 31
7.5	34	41.5	7.5 plus 34
3.6	4.4	8	3.6 plus 4.4
5.1	5	10.1	5.1 plus 5
3.1	1	4.1	3.1 plus 1