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	18	27.9	9.9 plus 18
10	23	33	10 plus 23
10.1	32	42.1	10.1 plus 32
4.5	7.4	11.9	4.5 plus 7.4
6.2	9.9	16.1	6.2 plus 9.9
9.7	7	16.7	9.7 plus 7