10.9 Plus 689.9 Addition :

Number 1	Number 2	Answer
10.9	689.9	700.8

How to calculate 10.9 plus 689.9 ?

Let's break down the addition of 010.9 and 689.9 step by step:

   010.9      <-- Start with the rightmost column
+  689.9
---------

    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   010.9
+  689.9
---------
     8


    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.

   010.9
+  689.9
---------
     0.8


    Add the digits in the rightmost column:
        1 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   010.9
+  689.9
---------
     00.8


    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.

   010.9
+  689.9
---------
     700.8

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

The final result is 700.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
11	692.9	703.9	11 plus 692.9
11.1	694.9	706	11.1 plus 694.9
11.2	703.9	715.1	11.2 plus 703.9
3.9	8.4	12.3	3.9 plus 8.4
9	1.5	10.5	9 plus 1.5
2.7	0.9	3.6	2.7 plus 0.9