21.5 Plus 689 Addition :

Number 1	Number 2	Answer
21.5	689	710.5

How to calculate 21.5 plus 689 ?

Let's break down the addition of 021.5 and 68900 step by step:

   021.5      <-- Start with the rightmost column
+  68900
---------

    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
+  68900
---------
     5


    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.

   021.5
+  68900
---------
     0.5


    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.

   021.5
+  68900
---------
     10.5


    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.

   021.5
+  68900
---------
     710.5

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

The final result is 710.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.6	695	716.6	21.6 plus 695
21.7	701	722.7	21.7 plus 701
21.8	709	730.8	21.8 plus 709
1.3	7.6	8.9	1.3 plus 7.6
9	5.9	14.9	9 plus 5.9
6.1	6.1	12.2	6.1 plus 6.1