42.4 Plus 678 Addition :

Number 1	Number 2	Answer
42.4	678	720.4

How to calculate 42.4 plus 678 ?

Let's break down the addition of 042.4 and 67800 step by step:

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

    Add the digits in the rightmost column:
        4 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   042.4
+  67800
---------
     4


    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.

   042.4
+  67800
---------
     0.4


    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.

   042.4
+  67800
---------
     20.4


    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.

   042.4
+  67800
---------
     720.4

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

The final result is 720.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.5	685	727.5	42.5 plus 685
42.6	690	732.6	42.6 plus 690
42.7	698	740.7	42.7 plus 698
2.8	0.9	3.7	2.8 plus 0.9
7.2	7.3	14.5	7.2 plus 7.3
2.2	2.9	5.1	2.2 plus 2.9