21 Plus 421.4 Addition :

Number 1	Number 2	Answer
21	421.4	442.4

How to calculate 21 plus 421.4 ?

Let's break down the addition of 02100 and 421.4 step by step:

   02100      <-- Start with the rightmost column
+  421.4
---------

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

   02100
+  421.4
---------
     4


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

   02100
+  421.4
---------
     04


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

   02100
+  421.4
---------
     204


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

   02100
+  421.4
---------
     4204


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

   02100
+  421.4
---------
     44204

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

The final result is 44204.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	428.4	449.5	21.1 plus 428.4
21.2	431.4	452.6	21.2 plus 431.4
21.3	433.4	454.7	21.3 plus 433.4
3.9	2.1	6	3.9 plus 2.1
3.7	2.1	5.8	3.7 plus 2.1
8.6	0.3	8.9	8.6 plus 0.3