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	27	35.6	8.6 plus 27
8.7	29	37.7	8.7 plus 29
7	4.6	11.6	7 plus 4.6
2.3	3	5.3	2.3 plus 3
6.2	5	11.2	6.2 plus 5