21.2 Plus 688.4 Addition :

Number 1	Number 2	Answer
21.2	688.4	709.6

How to calculate 21.2 plus 688.4 ?

Let's break down the addition of 021.2 and 688.4 step by step:

   021.2      <-- Start with the rightmost column
+  688.4
---------

    Add the digits in the rightmost column:
        2 + 4 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.2
+  688.4
---------
     6


    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.

   021.2
+  688.4
---------
     9.6


    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.

   021.2
+  688.4
---------
     09.6


    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.

   021.2
+  688.4
---------
     709.6

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

The final result is 709.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.3	691.4	712.7	21.3 plus 691.4
21.4	700.4	721.8	21.4 plus 700.4
21.5	704.4	725.9	21.5 plus 704.4
6.4	0.8	7.2	6.4 plus 0.8
3.8	3.2	7	3.8 plus 3.2
6.6	3.7	10.3	6.6 plus 3.7