4.2 Plus 8 Addition :

Number 1	Number 2	Answer
4.2	8	12.2

How to calculate 4.2 plus 8 ?

Let's break down the addition of 4.2 and 800 step by step:

   4.2      <-- Start with the rightmost column
+  800
---------

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

   4.2
+  800
---------
     2


    Add the digits in the rightmost column:
        4 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   4.2
+  800
---------
     2.2

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

The final result is 12.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	9	13.3	4.3 plus 9
4.4	12	16.4	4.4 plus 12
4.5	18	22.5	4.5 plus 18
0.6	3.9	4.5	0.6 plus 3.9
9.4	5.4	14.8	9.4 plus 5.4
2.3	3.3	5.6	2.3 plus 3.3