20.4 Plus 490.5 Addition :

Number 1	Number 2	Answer
20.4	490.5	510.9

How to calculate 20.4 plus 490.5 ?

Let's break down the addition of 020.4 and 490.5 step by step:

   020.4      <-- Start with the rightmost column
+  490.5
---------

    Add the digits in the rightmost column:
        4 + 5 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.4
+  490.5
---------
     9


    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.

   020.4
+  490.5
---------
     0.9


    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   020.4
+  490.5
---------
     10.9


    Add the digits in the rightmost column:
        0 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   020.4
+  490.5
---------
     510.9

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

The final result is 510.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	497.5	518	20.5 plus 497.5
20.6	504.5	525.1	20.6 plus 504.5
20.7	506.5	527.2	20.7 plus 506.5
3.5	3.5	7	3.5 plus 3.5
2.9	6.3	9.2	2.9 plus 6.3
6.6	5.7	12.3	6.6 plus 5.7