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	77	86	9 plus 77
9.1	79	88.1	9.1 plus 79
9.2	85	94.2	9.2 plus 85
7.8	7.6	15.4	7.8 plus 7.6
5.4	1.3	6.7	5.4 plus 1.3
4	3.6	7.6	4 plus 3.6