21 Plus 689.5 Addition :

Number 1	Number 2	Answer
21	689.5	710.5

How to calculate 21 plus 689.5 ?

Let's break down the addition of 02100 and 689.5 step by step:

   02100      <-- Start with the rightmost column
+  689.5
---------

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

   02100
+  689.5
---------
     5


    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
+  689.5
---------
     05


    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
+  689.5
---------
     005


    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
+  689.5
---------
     1005


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   02100
+  689.5
---------
     71005

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

The final result is 71005.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	696.5	717.6	21.1 plus 696.5
21.2	703.5	724.7	21.2 plus 703.5
21.3	708.5	729.8	21.3 plus 708.5
2.9	7.4	10.3	2.9 plus 7.4
4.3	2.6	6.9	4.3 plus 2.6
1.2	8.3	9.5	1.2 plus 8.3