0.9 Plus 40 Addition :

Number 1	Number 2	Answer
0.9	40	40.9

How to calculate 0.9 plus 40 ?

Let's break down the addition of 00.9 and 4000 step by step:

   00.9      <-- 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.

   00.9
+  4000
---------
     9


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

   00.9
+  4000
---------
     0.9


    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.

   00.9
+  4000
---------
     40.9

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

The final result is 40.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1	47	48	1 plus 47
1.1	49	50.1	1.1 plus 49
1.2	51	52.2	1.2 plus 51
2.5	2.5	5	2.5 plus 2.5
0.3	9.1	9.4	0.3 plus 9.1
8.6	0.7	9.3	8.6 plus 0.7