20.4 Plus 645 Addition :

Number 1	Number 2	Answer
20.4	645	665.4

How to calculate 20.4 plus 645 ?

Let's break down the addition of 020.4 and 64500 step by step:

   020.4      <-- Start with the rightmost column
+  64500
---------

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

   020.4
+  64500
---------
     4


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

   020.4
+  64500
---------
     5.4


    Add the digits in the rightmost column:
        2 + 4 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   020.4
+  64500
---------
     65.4


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   020.4
+  64500
---------
     665.4

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

The final result is 665.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	651	671.5	20.5 plus 651
20.6	654	674.6	20.6 plus 654
20.7	662	682.7	20.7 plus 662
5.5	7.1	12.6	5.5 plus 7.1
6.1	5.5	11.6	6.1 plus 5.5
7.2	0.4	7.6	7.2 plus 0.4