28.4 Plus 421 Addition :

Number 1	Number 2	Answer
28.4	421	449.4

How to calculate 28.4 plus 421 ?

Let's break down the addition of 028.4 and 42100 step by step:

   028.4      <-- Start with the rightmost column
+  42100
---------

    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.

   028.4
+  42100
---------
     4


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   028.4
+  42100
---------
     9.4


    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.

   028.4
+  42100
---------
     49.4


    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.

   028.4
+  42100
---------
     449.4

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

The final result is 449.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
28.5	427	455.5	28.5 plus 427
28.6	433	461.6	28.6 plus 433
28.7	436	464.7	28.7 plus 436
2.6	3.8	6.4	2.6 plus 3.8
1.7	8	9.7	1.7 plus 8
3.1	6.4	9.5	3.1 plus 6.4