21.7 Plus 421 Addition :

Number 1	Number 2	Answer
21.7	421	442.7

How to calculate 21.7 plus 421 ?

Let's break down the addition of 021.7 and 42100 step by step:

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

    Add the digits in the rightmost column:
        7 + 0 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.7
+  42100
---------
     7


    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.

   021.7
+  42100
---------
     2.7


    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.

   021.7
+  42100
---------
     42.7


    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.

   021.7
+  42100
---------
     442.7

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

The final result is 442.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.8	426	447.8	21.8 plus 426
21.9	431	452.9	21.9 plus 431
22	433	455	22 plus 433
9.7	7.3	17	9.7 plus 7.3
6.9	3.5	10.4	6.9 plus 3.5
3	9.1	12.1	3 plus 9.1