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	2	10	8 plus 2
8.1	5	13.1	8.1 plus 5
8.2	12	20.2	8.2 plus 12
8	5.1	13.1	8 plus 5.1
1.1	9.4	10.5	1.1 plus 9.4
4.2	1.7	5.9	4.2 plus 1.7