42.9 Plus 678 Addition :

Number 1	Number 2	Answer
42.9	678	720.9

How to calculate 42.9 plus 678 ?

Let's break down the addition of 042.9 and 67800 step by step:

   042.9      <-- Start with the rightmost column
+  67800
---------

    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.

   042.9
+  67800
---------
     9


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   042.9
+  67800
---------
     0.9


    Add the digits in the rightmost column:
        4 + 7 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   042.9
+  67800
---------
     20.9


    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.

   042.9
+  67800
---------
     720.9

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

The final result is 720.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
43	687	730	43 plus 687
43.1	695	738.1	43.1 plus 695
43.2	702	745.2	43.2 plus 702
7.7	8.7	16.4	7.7 plus 8.7
7.5	6.5	14	7.5 plus 6.5
8.5	3.7	12.2	8.5 plus 3.7