30.8 Plus 42 Addition :

Number 1	Number 2	Answer
30.8	42	72.8

How to calculate 30.8 plus 42 ?

Let's break down the addition of 30.8 and 4200 step by step:

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

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

   30.8
+  4200
---------
     8


    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.

   30.8
+  4200
---------
     2.8


    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.

   30.8
+  4200
---------
     72.8

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

The final result is 72.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
30.9	48	78.9	30.9 plus 48
31	54	85	31 plus 54
31.1	58	89.1	31.1 plus 58
4	1.8	5.8	4 plus 1.8
4.4	1.7	6.1	4.4 plus 1.7
1.4	9.1	10.5	1.4 plus 9.1