10.4 Plus 18 Addition :

Number 1	Number 2	Answer
10.4	18	28.4

How to calculate 10.4 plus 18 ?

Let's break down the addition of 10.4 and 1800 step by step:

   10.4      <-- Start with the rightmost column
+  1800
---------

    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.

   10.4
+  1800
---------
     4


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

   10.4
+  1800
---------
     8.4


    Add the digits in the rightmost column:
        1 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   10.4
+  1800
---------
     28.4

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

The final result is 28.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	21	31.5	10.5 plus 21
10.6	27	37.6	10.6 plus 27
10.7	32	42.7	10.7 plus 32
9.9	9	18.9	9.9 plus 9
1.6	0.2	1.8	1.6 plus 0.2
4.5	3	7.5	4.5 plus 3