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	7	8	1 plus 7
1.1	13	14.1	1.1 plus 13
1.2	18	19.2	1.2 plus 18
0.2	3	3.2	0.2 plus 3
4.7	4.8	9.5	4.7 plus 4.8
7	3.8	10.8	7 plus 3.8