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	5	12.9	7.9 plus 5
8	11	19	8 plus 11
8.1	19	27.1	8.1 plus 19
8.1	2	10.1	8.1 plus 2
3.8	6.2	10	3.8 plus 6.2
5.5	0.5	6	5.5 plus 0.5