100.9 Plus 689 Addition :

Number 1	Number 2	Answer
100.9	689	789.9

How to calculate 100.9 plus 689 ?

Let's break down the addition of 100.9 and 68900 step by step:

   100.9      <-- Start with the rightmost column
+  68900
---------

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

   100.9
+  68900
---------
     9


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

   100.9
+  68900
---------
     9.9


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

   100.9
+  68900
---------
     89.9


    Add the digits in the rightmost column:
        1 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   100.9
+  68900
---------
     789.9

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

The final result is 789.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
101	693	794	101 plus 693
101.1	695	796.1	101.1 plus 695
101.2	699	800.2	101.2 plus 699
5.4	9.5	14.9	5.4 plus 9.5
8	9.8	17.8	8 plus 9.8
5	1.4	6.4	5 plus 1.4