9.9 Plus 40 Addition :

Number 1	Number 2	Answer
9.9	40	49.9

How to calculate 9.9 plus 40 ?

Let's break down the addition of 09.9 and 4000 step by step:

   09.9      <-- Start with the rightmost column
+  4000
---------

    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
+  4000
---------
     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
+  4000
---------
     9.9


    Add the digits in the rightmost column:
        0 + 4 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   09.9
+  4000
---------
     49.9

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

The final result is 49.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	45	55	10 plus 45
10.1	50	60.1	10.1 plus 50
10.2	52	62.2	10.2 plus 52
5.4	5.7	11.1	5.4 plus 5.7
9.6	7.5	17.1	9.6 plus 7.5
2	2.1	4.1	2 plus 2.1