28.4 Plus 72 Addition :

Number 1	Number 2	Answer
28.4	72	100.4

How to calculate 28.4 plus 72 ?

Let's break down the addition of 28.4 and 7200 step by step:

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

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

   28.4
+  7200
---------
     4


    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.

   28.4
+  7200
---------
     0.4


    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.

   28.4
+  7200
---------
     00.4

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

The final result is 100.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
28.5	81	109.5	28.5 plus 81
28.6	90	118.6	28.6 plus 90
28.7	99	127.7	28.7 plus 99
5.3	5.4	10.7	5.3 plus 5.4
5.2	2.9	8.1	5.2 plus 2.9
4	0.2	4.2	4 plus 0.2