8.9 Plus 11.9 Addition :

Number 1	Number 2	Answer
8.9	11.9	20.8

How to calculate 8.9 plus 11.9 ?

Let's break down the addition of 08.9 and 11.9 step by step:

   08.9      <-- Start with the rightmost column
+  11.9
---------

    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   08.9
+  11.9
---------
     8


    Add the digits in the rightmost column:
        8 + 1 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   08.9
+  11.9
---------
     0.8


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   08.9
+  11.9
---------
     20.8

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

The final result is 20.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	19.9	28.9	9 plus 19.9
9.1	25.9	35	9.1 plus 25.9
9.2	28.9	38.1	9.2 plus 28.9
4.1	2.7	6.8	4.1 plus 2.7
4.2	4.8	9	4.2 plus 4.8
7	8	15	7 plus 8