30.4 Plus 42 Addition :

Number 1	Number 2	Answer
30.4	42	72.4

How to calculate 30.4 plus 42 ?

Let's break down the addition of 30.4 and 4200 step by step:

   30.4      <-- Start with the rightmost column
+  4200
---------

    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.

   30.4
+  4200
---------
     4


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

   30.4
+  4200
---------
     2.4


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   30.4
+  4200
---------
     72.4

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

The final result is 72.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
30.5	45	75.5	30.5 plus 45
30.6	53	83.6	30.6 plus 53
30.7	59	89.7	30.7 plus 59
0.2	9.6	9.8	0.2 plus 9.6
2.2	1.8	4	2.2 plus 1.8
7.3	6.6	13.9	7.3 plus 6.6