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	695	716.8	21.8 plus 695
21.9	700	721.9	21.9 plus 700
22	706	728	22 plus 706
9.9	3.4	13.3	9.9 plus 3.4
2.3	0.4	2.7	2.3 plus 0.4
0.3	3.2	3.5	0.3 plus 3.2