20.8 Plus 421.5 Addition :

Number 1	Number 2	Answer
20.8	421.5	442.3

How to calculate 20.8 plus 421.5 ?

Let's break down the addition of 020.8 and 421.5 step by step:

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

    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   020.8
+  421.5
---------
     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.

   020.8
+  421.5
---------
     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.

   020.8
+  421.5
---------
     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.

   020.8
+  421.5
---------
     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 ?
20.9	430.5	451.4	20.9 plus 430.5
21	434.5	455.5	21 plus 434.5
21.1	439.5	460.6	21.1 plus 439.5
6.6	4.1	10.7	6.6 plus 4.1
3.7	8	11.7	3.7 plus 8
3.8	4.9	8.7	3.8 plus 4.9