21.2 Plus 669.5 Addition :

Number 1	Number 2	Answer
21.2	669.5	690.7

How to calculate 21.2 plus 669.5 ?

Let's break down the addition of 021.2 and 669.5 step by step:

   021.2      <-- Start with the rightmost column
+  669.5
---------

    Add the digits in the rightmost column:
        2 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.2
+  669.5
---------
     7


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.2
+  669.5
---------
     0.7


    Add the digits in the rightmost column:
        2 + 6 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.2
+  669.5
---------
     90.7


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

   021.2
+  669.5
---------
     690.7

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

The final result is 690.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.3	670.5	691.8	21.3 plus 670.5
21.4	674.5	695.9	21.4 plus 674.5
21.5	677.5	699	21.5 plus 677.5
9.9	5.9	15.8	9.9 plus 5.9
4.7	4.3	9	4.7 plus 4.3
7	5.1	12.1	7 plus 5.1