28.9 Plus 72 Addition :

Number 1	Number 2	Answer
28.9	72	100.9

How to calculate 28.9 plus 72 ?

Let's break down the addition of 28.9 and 7200 step by step:

   28.9      <-- 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.

   28.9
+  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.

   28.9
+  7200
---------
     0.9


    Add the digits in the rightmost column:
        2 + 7 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   28.9
+  7200
---------
     00.9

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

The final result is 100.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
29	79	108	29 plus 79
29.1	86	115.1	29.1 plus 86
29.2	87	116.2	29.2 plus 87
8.8	9	17.8	8.8 plus 9
8.7	1.8	10.5	8.7 plus 1.8
2.8	0.8	3.6	2.8 plus 0.8