21 Plus 720.9 Addition :

Number 1	Number 2	Answer
21	720.9	741.9

How to calculate 21 plus 720.9 ?

Let's break down the addition of 02100 and 720.9 step by step:

   02100      <-- Start with the rightmost column
+  720.9
---------

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

   02100
+  720.9
---------
     9


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

   02100
+  720.9
---------
     09


    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.

   02100
+  720.9
---------
     109


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   02100
+  720.9
---------
     4109


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

   02100
+  720.9
---------
     74109

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

The final result is 74109.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	723.9	745	21.1 plus 723.9
21.2	728.9	750.1	21.2 plus 728.9
21.3	736.9	758.2	21.3 plus 736.9
9.5	6	15.5	9.5 plus 6
7.8	8.1	15.9	7.8 plus 8.1
3.6	4.2	7.8	3.6 plus 4.2