21.5 Plus 421 Addition :

Number 1	Number 2	Answer
21.5	421	442.5

How to calculate 21.5 plus 421 ?

Let's break down the addition of 021.5 and 42100 step by step:

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

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

   021.5
+  42100
---------
     5


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

   021.5
+  42100
---------
     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.

   021.5
+  42100
---------
     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.

   021.5
+  42100
---------
     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 ?
21.6	427	448.6	21.6 plus 427
21.7	431	452.7	21.7 plus 431
21.8	434	455.8	21.8 plus 434
0.4	8	8.4	0.4 plus 8
9.1	6.4	15.5	9.1 plus 6.4
9.6	8.4	18	9.6 plus 8.4