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	10	17.9	7.9 plus 10
8	13	21	8 plus 13
8.1	15	23.1	8.1 plus 15
0.7	6.9	7.6	0.7 plus 6.9
6	4.4	10.4	6 plus 4.4
7.7	2.7	10.4	7.7 plus 2.7