5.9 Plus 4 Addition :

Number 1	Number 2	Answer
5.9	4	9.9

How to calculate 5.9 plus 4 ?

Let's break down the addition of 5.9 and 400 step by step:

   5.9      <-- 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.

   5.9
+  400
---------
     9


    Add the digits in the rightmost column:
        5 + 4 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   5.9
+  400
---------
     9.9

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

The final result is 9.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6	5	11	6 plus 5
6.1	7	13.1	6.1 plus 7
6.2	13	19.2	6.2 plus 13
6.8	9	15.8	6.8 plus 9
0.8	0.7	1.5	0.8 plus 0.7
1.4	1.5	2.9	1.4 plus 1.5