7.8 Plus 8 Addition :

Number 1	Number 2	Answer
7.8	8	15.8

How to calculate 7.8 plus 8 ?

Let's break down the addition of 7.8 and 800 step by step:

   7.8      <-- Start with the rightmost column
+  800
---------

    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.

   7.8
+  800
---------
     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.

   7.8
+  800
---------
     5.8

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

The final result is 15.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	12	19.9	7.9 plus 12
8	21	29	8 plus 21
8.1	27	35.1	8.1 plus 27
8.3	9.9	18.2	8.3 plus 9.9
9	5.4	14.4	9 plus 5.4
3.8	9.8	13.6	3.8 plus 9.8