9.9 Plus 20 Addition :

Number 1	Number 2	Answer
9.9	20	29.9

How to calculate 9.9 plus 20 ?

Let's break down the addition of 09.9 and 2000 step by step:

   09.9      <-- Start with the rightmost column
+  2000
---------

    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.

   09.9
+  2000
---------
     9


    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.

   09.9
+  2000
---------
     9.9


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

   09.9
+  2000
---------
     29.9

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

The final result is 29.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	27	37	10 plus 27
10.1	35	45.1	10.1 plus 35
10.2	41	51.2	10.2 plus 41
7.8	4.5	12.3	7.8 plus 4.5
6.7	9.6	16.3	6.7 plus 9.6
4.5	1.6	6.1	4.5 plus 1.6