18.9 Plus 72 Addition :

Number 1	Number 2	Answer
18.9	72	90.9

How to calculate 18.9 plus 72 ?

Let's break down the addition of 18.9 and 7200 step by step:

   18.9      <-- 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.

   18.9
+  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.

   18.9
+  7200
---------
     0.9


    Add the digits in the rightmost column:
        1 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   18.9
+  7200
---------
     90.9

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

The final result is 90.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
19	75	94	19 plus 75
19.1	80	99.1	19.1 plus 80
19.2	82	101.2	19.2 plus 82
7.3	9	16.3	7.3 plus 9
9.4	2.3	11.7	9.4 plus 2.3
5.1	3.5	8.6	5.1 plus 3.5