21 Plus 400.7 Addition :

Number 1	Number 2	Answer
21	400.7	421.7

How to calculate 21 plus 400.7 ?

Let's break down the addition of 02100 and 400.7 step by step:

   02100      <-- Start with the rightmost column
+  400.7
---------

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

   02100
+  400.7
---------
     7


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

   02100
+  400.7
---------
     07


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

   02100
+  400.7
---------
     107


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

   02100
+  400.7
---------
     2107


    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.

   02100
+  400.7
---------
     42107

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

The final result is 42107.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	408.7	429.8	21.1 plus 408.7
21.2	413.7	434.9	21.2 plus 413.7
21.3	416.7	438	21.3 plus 416.7
8.4	6	14.4	8.4 plus 6
7.5	7.1	14.6	7.5 plus 7.1
1	7.3	8.3	1 plus 7.3