8.9 Plus 72 Addition :

Number 1	Number 2	Answer
8.9	72	80.9

How to calculate 8.9 plus 72 ?

Let's break down the addition of 08.9 and 7200 step by step:

   08.9      <-- Start with the rightmost column
+  7200
---------

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

   08.9
+  7200
---------
     9


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   08.9
+  7200
---------
     0.9


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

   08.9
+  7200
---------
     80.9

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

The final result is 80.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	75	84	9 plus 75
9.1	78	87.1	9.1 plus 78
9.2	81	90.2	9.2 plus 81
3.6	3.3	6.9	3.6 plus 3.3
4.6	3.5	8.1	4.6 plus 3.5
6.1	2.5	8.6	6.1 plus 2.5