9.9 Plus 72 Addition :

Number 1	Number 2	Answer
9.9	72	81.9

How to calculate 9.9 plus 72 ?

Let's break down the addition of 09.9 and 7200 step by step:

   09.9      <-- 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.

   09.9
+  7200
---------
     9


    Add the digits in the rightmost column:
        9 + 2 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   09.9
+  7200
---------
     1.9


    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.

   09.9
+  7200
---------
     81.9

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

The final result is 81.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	80	90	10 plus 80
10.1	88	98.1	10.1 plus 88
10.2	89	99.2	10.2 plus 89
6.7	2.3	9	6.7 plus 2.3
6.8	7.4	14.2	6.8 plus 7.4
6.9	0.4	7.3	6.9 plus 0.4