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	690	711.2	21.2 plus 690
21.3	696	717.3	21.3 plus 696
21.4	700	721.4	21.4 plus 700
9.8	3.2	13	9.8 plus 3.2
9.3	1.8	11.1	9.3 plus 1.8
2.4	1.8	4.2	2.4 plus 1.8