18 Plus 690.4 Addition :

Number 1	Number 2	Answer
18	690.4	708.4

How to calculate 18 plus 690.4 ?

Let's break down the addition of 01800 and 690.4 step by step:

   01800      <-- Start with the rightmost column
+  690.4
---------

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

   01800
+  690.4
---------
     4


    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
+  690.4
---------
     04


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

   01800
+  690.4
---------
     804


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   01800
+  690.4
---------
     0804


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   01800
+  690.4
---------
     70804

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

The final result is 70804.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
18.1	697.4	715.5	18.1 plus 697.4
18.2	705.4	723.6	18.2 plus 705.4
18.3	711.4	729.7	18.3 plus 711.4
0.4	0.3	0.7	0.4 plus 0.3
2	2.6	4.6	2 plus 2.6
4.9	1.7	6.6	4.9 plus 1.7