20.9 Plus 668.8 Addition :

Number 1	Number 2	Answer
20.9	668.8	689.7

How to calculate 20.9 plus 668.8 ?

Let's break down the addition of 020.9 and 668.8 step by step:

   020.9      <-- Start with the rightmost column
+  668.8
---------

    Add the digits in the rightmost column:
        9 + 8 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   020.9
+  668.8
---------
     7


    Add the digits in the rightmost column:
        0 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.9
+  668.8
---------
     9.7


    Add the digits in the rightmost column:
        2 + 6 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   020.9
+  668.8
---------
     89.7


    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.

   020.9
+  668.8
---------
     689.7

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

The final result is 689.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21	671.8	692.8	21 plus 671.8
21.1	679.8	700.9	21.1 plus 679.8
21.2	686.8	708	21.2 plus 686.8
8.8	1.2	10	8.8 plus 1.2
4.2	2.7	6.9	4.2 plus 2.7
2	4.8	6.8	2 plus 4.8