21.7 Plus 688 Addition :

Number 1	Number 2	Answer
21.7	688	709.7

How to calculate 21.7 plus 688 ?

Let's break down the addition of 021.7 and 68800 step by step:

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

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

   021.7
+  68800
---------
     7


    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.

   021.7
+  68800
---------
     9.7


    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.

   021.7
+  68800
---------
     09.7


    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.

   021.7
+  68800
---------
     709.7

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

The final result is 709.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.8	696	717.8	21.8 plus 696
21.9	704	725.9	21.9 plus 704
22	711	733	22 plus 711
9.4	6.4	15.8	9.4 plus 6.4
1	1.6	2.6	1 plus 1.6
4	9.7	13.7	4 plus 9.7