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	40	50.1	10.1 plus 40
10.2	47	57.2	10.2 plus 47
6.8	5.9	12.7	6.8 plus 5.9
0.6	7.8	8.4	0.6 plus 7.8
6	0.7	6.7	6 plus 0.7