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	8	9	1 plus 8
1.1	14	15.1	1.1 plus 14
1.2	19	20.2	1.2 plus 19
0.8	6.4	7.2	0.8 plus 6.4
4.3	1	5.3	4.3 plus 1
5.7	7.7	13.4	5.7 plus 7.7