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	43	73.9	30.9 plus 43
31	52	83	31 plus 52
31.1	58	89.1	31.1 plus 58
1.9	5.9	7.8	1.9 plus 5.9
7.6	0.6	8.2	7.6 plus 0.6
3.1	5.2	8.3	3.1 plus 5.2