42.4 Plus 78 Addition :

Number 1	Number 2	Answer
42.4	78	120.4

How to calculate 42.4 plus 78 ?

Let's break down the addition of 42.4 and 7800 step by step:

   42.4      <-- Start with the rightmost column
+  7800
---------

    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.

   42.4
+  7800
---------
     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.

   42.4
+  7800
---------
     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.

   42.4
+  7800
---------
     20.4

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

The final result is 120.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.5	83	125.5	42.5 plus 83
42.6	89	131.6	42.6 plus 89
42.7	95	137.7	42.7 plus 95
4.4	8.1	12.5	4.4 plus 8.1
7.1	0.7	7.8	7.1 plus 0.7
6.8	4.3	11.1	6.8 plus 4.3