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	679	721.5	42.5 plus 679
42.6	682	724.6	42.6 plus 682
42.7	689	731.7	42.7 plus 689
3.2	3.3	6.5	3.2 plus 3.3
2.2	5	7.2	2.2 plus 5
9.1	2.5	11.6	9.1 plus 2.5