8.4 Plus 72 Addition :

Number 1	Number 2	Answer
8.4	72	80.4

How to calculate 8.4 plus 72 ?

Let's break down the addition of 08.4 and 7200 step by step:

   08.4      <-- 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.

   08.4
+  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.

   08.4
+  7200
---------
     0.4


    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.

   08.4
+  7200
---------
     80.4

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

The final result is 80.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	80	88.5	8.5 plus 80
8.6	88	96.6	8.6 plus 88
8.7	91	99.7	8.7 plus 91
8	2.9	10.9	8 plus 2.9
6.9	5.7	12.6	6.9 plus 5.7
4	8.9	12.9	4 plus 8.9