8.4 Plus 15 Addition :

Number 1	Number 2	Answer
8.4	15	23.4

How to calculate 8.4 plus 15 ?

Let's break down the addition of 08.4 and 1500 step by step:

   08.4      <-- Start with the rightmost column
+  1500
---------

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

   08.4
+  1500
---------
     4


    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   08.4
+  1500
---------
     3.4


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   08.4
+  1500
---------
     23.4

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

The final result is 23.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	20	28.5	8.5 plus 20
8.6	25	33.6	8.6 plus 25
8.7	30	38.7	8.7 plus 30
3	4.7	7.7	3 plus 4.7
4.2	9.5	13.7	4.2 plus 9.5
5	7.4	12.4	5 plus 7.4