21.1 Plus 689 Addition :

Number 1	Number 2	Answer
21.1	689	710.1

How to calculate 21.1 plus 689 ?

Let's break down the addition of 021.1 and 68900 step by step:

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

    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.

   021.1
+  68900
---------
     1


    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.

   021.1
+  68900
---------
     0.1


    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.

   021.1
+  68900
---------
     10.1


    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.

   021.1
+  68900
---------
     710.1

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

The final result is 710.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.2	694	715.2	21.2 plus 694
21.3	703	724.3	21.3 plus 703
21.4	709	730.4	21.4 plus 709
2	3.8	5.8	2 plus 3.8
1.3	3.7	5	1.3 plus 3.7
1.9	4.7	6.6	1.9 plus 4.7