20.8 Plus 421.7 Addition :

Number 1	Number 2	Answer
20.8	421.7	442.5

How to calculate 20.8 plus 421.7 ?

Let's break down the addition of 020.8 and 421.7 step by step:

   020.8      <-- Start with the rightmost column
+  421.7
---------

    Add the digits in the rightmost column:
        8 + 7 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   020.8
+  421.7
---------
     5


    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
+  421.7
---------
     2.5


    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
+  421.7
---------
     42.5


    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
+  421.7
---------
     442.5

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

The final result is 442.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.9	426.7	447.6	20.9 plus 426.7
21	429.7	450.7	21 plus 429.7
21.1	436.7	457.8	21.1 plus 436.7
3.5	0.4	3.9	3.5 plus 0.4
2.1	9	11.1	2.1 plus 9
3.2	3.2	6.4	3.2 plus 3.2