18 Plus 672.9 Addition :

Number 1	Number 2	Answer
18	672.9	690.9

How to calculate 18 plus 672.9 ?

Let's break down the addition of 01800 and 672.9 step by step:

   01800      <-- Start with the rightmost column
+  672.9
---------

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

   01800
+  672.9
---------
     9


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

   01800
+  672.9
---------
     09


    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.

   01800
+  672.9
---------
     009


    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.

   01800
+  672.9
---------
     9009


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

   01800
+  672.9
---------
     69009

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

The final result is 69009.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
18.1	681.9	700	18.1 plus 681.9
18.2	690.9	709.1	18.2 plus 690.9
18.3	698.9	717.2	18.3 plus 698.9
3.8	2.8	6.6	3.8 plus 2.8
1.8	1.2	3	1.8 plus 1.2
8.6	4	12.6	8.6 plus 4