6.4 Plus 15 Addition :

Number 1	Number 2	Answer
6.4	15	21.4

How to calculate 6.4 plus 15 ?

Let's break down the addition of 06.4 and 1500 step by step:

   06.4      <-- 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.

   06.4
+  1500
---------
     4


    Add the digits in the rightmost column:
        6 + 5 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   06.4
+  1500
---------
     1.4


    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.

   06.4
+  1500
---------
     21.4

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

The final result is 21.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	21	27.5	6.5 plus 21
6.6	27	33.6	6.6 plus 27
6.7	32	38.7	6.7 plus 32
5	8.5	13.5	5 plus 8.5
4.6	3.8	8.4	4.6 plus 3.8
2.7	4.5	7.2	2.7 plus 4.5