20.4 Plus 489.5 Addition :

Number 1	Number 2	Answer
20.4	489.5	509.9

How to calculate 20.4 plus 489.5 ?

Let's break down the addition of 020.4 and 489.5 step by step:

   020.4      <-- Start with the rightmost column
+  489.5
---------

    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
+  489.5
---------
     9


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

   020.4
+  489.5
---------
     9.9


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.4
+  489.5
---------
     09.9


    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
+  489.5
---------
     509.9

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

The final result is 509.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	493.5	514	20.5 plus 493.5
20.6	495.5	516.1	20.6 plus 495.5
20.7	499.5	520.2	20.7 plus 499.5
2	7.7	9.7	2 plus 7.7
5.1	3.7	8.8	5.1 plus 3.7
1.3	0.4	1.7	1.3 plus 0.4