8.9 Plus 12 Addition :

Number 1	Number 2	Answer
8.9	12	20.9

How to calculate 8.9 plus 12 ?

Let's break down the addition of 08.9 and 1200 step by step:

   08.9      <-- Start with the rightmost column
+  1200
---------

    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.

   08.9
+  1200
---------
     9


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   08.9
+  1200
---------
     0.9


    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
+  1200
---------
     20.9

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

The final result is 20.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	21	30	9 plus 21
9.1	28	37.1	9.1 plus 28
9.2	30	39.2	9.2 plus 30
2	8.6	10.6	2 plus 8.6
6.1	3.8	9.9	6.1 plus 3.8
2.3	2.1	4.4	2.3 plus 2.1