9.9 Plus 30 Addition :

Number 1	Number 2	Answer
9.9	30	39.9

How to calculate 9.9 plus 30 ?

Let's break down the addition of 09.9 and 3000 step by step:

   09.9      <-- Start with the rightmost column
+  3000
---------

    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
+  3000
---------
     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
+  3000
---------
     9.9


    Add the digits in the rightmost column:
        0 + 3 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   09.9
+  3000
---------
     39.9

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

The final result is 39.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	37	47	10 plus 37
10.1	45	55.1	10.1 plus 45
10.2	47	57.2	10.2 plus 47
6.9	9.3	16.2	6.9 plus 9.3
8.6	6.4	15	8.6 plus 6.4
9.1	2.2	11.3	9.1 plus 2.2