0.9 Plus 4 Addition :

Number 1	Number 2	Answer
0.9	4	4.9

How to calculate 0.9 plus 4 ?

Let's break down the addition of 0.9 and 400 step by step:

   0.9      <-- Start with the rightmost column
+  400
---------

    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.

   0.9
+  400
---------
     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.

   0.9
+  400
---------
     4.9

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

The final result is 4.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1	13	14	1 plus 13
1.1	22	23.1	1.1 plus 22
1.2	28	29.2	1.2 plus 28
8.2	9.2	17.4	8.2 plus 9.2
0.3	4.1	4.4	0.3 plus 4.1
6	1	7	6 plus 1