20.9 Plus 421.4 Addition :

Number 1	Number 2	Answer
20.9	421.4	442.3

How to calculate 20.9 plus 421.4 ?

Let's break down the addition of 020.9 and 421.4 step by step:

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

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   020.9
+  421.4
---------
     3


    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.

   020.9
+  421.4
---------
     2.3


    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.

   020.9
+  421.4
---------
     42.3


    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.

   020.9
+  421.4
---------
     442.3

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

The final result is 442.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21	429.4	450.4	21 plus 429.4
21.1	436.4	457.5	21.1 plus 436.4
21.2	443.4	464.6	21.2 plus 443.4
0.4	7.2	7.6	0.4 plus 7.2
6	3.9	9.9	6 plus 3.9
9.3	0.8	10.1	9.3 plus 0.8