66.9 Plus 72 Addition :

Number 1	Number 2	Answer
66.9	72	138.9

How to calculate 66.9 plus 72 ?

Let's break down the addition of 66.9 and 7200 step by step:

   66.9      <-- 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.

   66.9
+  7200
---------
     9


    Add the digits in the rightmost column:
        6 + 2 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   66.9
+  7200
---------
     8.9


    Add the digits in the rightmost column:
        6 + 7 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   66.9
+  7200
---------
     38.9

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

The final result is 138.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
67	80	147	67 plus 80
67.1	86	153.1	67.1 plus 86
67.2	89	156.2	67.2 plus 89
5.4	9.9	15.3	5.4 plus 9.9
2.1	8.9	11	2.1 plus 8.9
0.5	5.3	5.8	0.5 plus 5.3