20.5 Plus 669.7 Addition :

Number 1	Number 2	Answer
20.5	669.7	690.2

How to calculate 20.5 plus 669.7 ?

Let's break down the addition of 020.5 and 669.7 step by step:

   020.5      <-- Start with the rightmost column
+  669.7
---------

    Add the digits in the rightmost column:
        5 + 7 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   020.5
+  669.7
---------
     2


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

   020.5
+  669.7
---------
     0.2


    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.

   020.5
+  669.7
---------
     90.2


    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.

   020.5
+  669.7
---------
     690.2

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

The final result is 690.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.6	677.7	698.3	20.6 plus 677.7
20.7	681.7	702.4	20.7 plus 681.7
20.8	688.7	709.5	20.8 plus 688.7
6.2	0.2	6.4	6.2 plus 0.2
5.5	1.1	6.6	5.5 plus 1.1
1	0.9	1.9	1 plus 0.9