20.9 Plus 421.5 Addition :

Number 1	Number 2	Answer
20.9	421.5	442.4

How to calculate 20.9 plus 421.5 ?

Let's break down the addition of 020.9 and 421.5 step by step:

   020.9      <-- Start with the rightmost column
+  421.5
---------

    Add the digits in the rightmost column:
        9 + 5 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   020.9
+  421.5
---------
     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.

   020.9
+  421.5
---------
     2.4


    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
+  421.5
---------
     42.4


    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.

   020.9
+  421.5
---------
     442.4

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

The final result is 442.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21	426.5	447.5	21 plus 426.5
21.1	429.5	450.6	21.1 plus 429.5
21.2	437.5	458.7	21.2 plus 437.5
7.7	4.6	12.3	7.7 plus 4.6
3.2	3.6	6.8	3.2 plus 3.6
1.4	5.9	7.3	1.4 plus 5.9