21.1 Plus 688 Addition :

Number 1	Number 2	Answer
21.1	688	709.1

How to calculate 21.1 plus 688 ?

Let's break down the addition of 021.1 and 68800 step by step:

   021.1      <-- Start with the rightmost column
+  68800
---------

    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
+  68800
---------
     1


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.1
+  68800
---------
     9.1


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.1
+  68800
---------
     09.1


    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
+  68800
---------
     709.1

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

The final result is 709.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.2	696	717.2	21.2 plus 696
21.3	698	719.3	21.3 plus 698
21.4	700	721.4	21.4 plus 700
5.4	0.3	5.7	5.4 plus 0.3
8.4	3	11.4	8.4 plus 3
3.4	5	8.4	3.4 plus 5