6.4 Plus 21 Addition :

Number 1	Number 2	Answer
6.4	21	27.4

How to calculate 6.4 plus 21 ?

Let's break down the addition of 06.4 and 2100 step by step:

   06.4      <-- Start with the rightmost column
+  2100
---------

    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
+  2100
---------
     4


    Add the digits in the rightmost column:
        6 + 1 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   06.4
+  2100
---------
     7.4


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

   06.4
+  2100
---------
     27.4

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

The final result is 27.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	28	34.5	6.5 plus 28
6.6	30	36.6	6.6 plus 30
6.7	37	43.7	6.7 plus 37
4.6	7.5	12.1	4.6 plus 7.5
6	4.5	10.5	6 plus 4.5
2	3.9	5.9	2 plus 3.9