21 Plus 989.9 Addition :

Number 1	Number 2	Answer
21	989.9	1010.9

How to calculate 21 plus 989.9 ?

Let's break down the addition of 02100 and 989.9 step by step:

   02100      <-- Start with the rightmost column
+  989.9
---------

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

   02100
+  989.9
---------
     9


    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
+  989.9
---------
     09


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   02100
+  989.9
---------
     009


    Add the digits in the rightmost column:
        2 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   02100
+  989.9
---------
     1009


    Add the digits in the rightmost column:
        0 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   02100
+  989.9
---------
     01009

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

The final result is 101009.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	994.9	1016	21.1 plus 994.9
21.2	1003.9	1025.1	21.2 plus 1003.9
21.3	1012.9	1034.2	21.3 plus 1012.9
9	1.5	10.5	9 plus 1.5
4.9	5.2	10.1	4.9 plus 5.2
7.7	7.6	15.3	7.7 plus 7.6