7.9 Plus 1 Addition :

Number 1	Number 2	Answer
7.9	1	8.9

How to calculate 7.9 plus 1 ?

Let's break down the addition of 7.9 and 100 step by step:

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

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   7.9
+  100
---------
     9


    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.

   7.9
+  100
---------
     8.9

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

The final result is 8.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8	9	17	8 plus 9
8.1	11	19.1	8.1 plus 11
8.2	12	20.2	8.2 plus 12
3.6	6.8	10.4	3.6 plus 6.8
5.5	1	6.5	5.5 plus 1
4.7	8.5	13.2	4.7 plus 8.5