9.8 Plus 12 Addition :

Number 1	Number 2	Answer
9.8	12	21.8

How to calculate 9.8 plus 12 ?

Let's break down the addition of 09.8 and 1200 step by step:

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

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

   09.8
+  1200
---------
     8


    Add the digits in the rightmost column:
        9 + 2 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   09.8
+  1200
---------
     1.8


    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.

   09.8
+  1200
---------
     21.8

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

The final result is 21.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.9	17	26.9	9.9 plus 17
10	22	32	10 plus 22
10.1	26	36.1	10.1 plus 26
6.1	1.6	7.7	6.1 plus 1.6
1.5	3.5	5	1.5 plus 3.5
5.3	7	12.3	5.3 plus 7