72.1 Plus 21 Addition :

Number 1	Number 2	Answer
72.1	21	93.1

How to calculate 72.1 plus 21 ?

Let's break down the addition of 72.1 and 2100 step by step:

   72.1      <-- 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.

   72.1
+  2100
---------
     1


    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.

   72.1
+  2100
---------
     3.1


    Add the digits in the rightmost column:
        7 + 2 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   72.1
+  2100
---------
     93.1

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

The final result is 93.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
72.2	27	99.2	72.2 plus 27
72.3	30	102.3	72.3 plus 30
72.4	39	111.4	72.4 plus 39
5.6	0.7	6.3	5.6 plus 0.7
6.6	4.6	11.2	6.6 plus 4.6
6.9	9	15.9	6.9 plus 9