8.9 Plus 1 Addition :

Number 1	Number 2	Answer
8.9	1	9.9

How to calculate 8.9 plus 1 ?

Let's break down the addition of 8.9 and 100 step by step:

   8.9      <-- 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.

   8.9
+  100
---------
     9


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   8.9
+  100
---------
     9.9

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

The final result is 9.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	4	13	9 plus 4
9.1	5	14.1	9.1 plus 5
9.2	8	17.2	9.2 plus 8
8.9	2	10.9	8.9 plus 2
3.1	2.2	5.3	3.1 plus 2.2
7.8	9.3	17.1	7.8 plus 9.3