2.9 Plus 4 Addition :

Number 1	Number 2	Answer
2.9	4	6.9

How to calculate 2.9 plus 4 ?

Let's break down the addition of 2.9 and 400 step by step:

   2.9      <-- 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.

   2.9
+  400
---------
     9


    Add the digits in the rightmost column:
        2 + 4 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   2.9
+  400
---------
     6.9

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

The final result is 6.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
3	12	15	3 plus 12
3.1	17	20.1	3.1 plus 17
3.2	22	25.2	3.2 plus 22
3.2	4	7.2	3.2 plus 4
9.4	7.6	17	9.4 plus 7.6
3.8	9.4	13.2	3.8 plus 9.4