21 Plus 687.7 Addition :

Number 1	Number 2	Answer
21	687.7	708.7

How to calculate 21 plus 687.7 ?

Let's break down the addition of 02100 and 687.7 step by step:

   02100      <-- Start with the rightmost column
+  687.7
---------

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

   02100
+  687.7
---------
     7


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

   02100
+  687.7
---------
     07


    Add the digits in the rightmost column:
        1 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   02100
+  687.7
---------
     807


    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.

   02100
+  687.7
---------
     0807


    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.

   02100
+  687.7
---------
     70807

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

The final result is 70807.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.1	690.7	711.8	21.1 plus 690.7
21.2	692.7	713.9	21.2 plus 692.7
21.3	699.7	721	21.3 plus 699.7
7.6	2	9.6	7.6 plus 2
3.5	1.5	5	3.5 plus 1.5
4.3	4.8	9.1	4.3 plus 4.8