7.8 Plus 18 Addition :

Number 1	Number 2	Answer
7.8	18	25.8

How to calculate 7.8 plus 18 ?

Let's break down the addition of 07.8 and 1800 step by step:

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

    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.

   07.8
+  1800
---------
     8


    Add the digits in the rightmost column:
        7 + 8 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   07.8
+  1800
---------
     5.8


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

   07.8
+  1800
---------
     25.8

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

The final result is 25.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	27	34.9	7.9 plus 27
8	32	40	8 plus 32
8.1	41	49.1	8.1 plus 41
7.8	4.7	12.5	7.8 plus 4.7
7.5	3.7	11.2	7.5 plus 3.7
9.6	1	10.6	9.6 plus 1