7.8 Plus 1 Addition :

Number 1	Number 2	Answer
7.8	1	8.8

How to calculate 7.8 plus 1 ?

Let's break down the addition of 7.8 and 100 step by step:

   7.8      <-- Start with the rightmost column
+  100
---------

    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
+  100
---------
     8


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   7.8
+  100
---------
     8.8

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

The final result is 8.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	4	11.9	7.9 plus 4
8	9	17	8 plus 9
8.1	18	26.1	8.1 plus 18
5.3	9.2	14.5	5.3 plus 9.2
6.9	3.5	10.4	6.9 plus 3.5
2.2	9.4	11.6	2.2 plus 9.4