4.2 Plus 3 Addition :

Number 1	Number 2	Answer
4.2	3	7.2

How to calculate 4.2 plus 3 ?

Let's break down the addition of 4.2 and 300 step by step:

   4.2      <-- Start with the rightmost column
+  300
---------

    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
+  300
---------
     2


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

   4.2
+  300
---------
     7.2

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

The final result is 7.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	9	13.3	4.3 plus 9
4.4	14	18.4	4.4 plus 14
4.5	16	20.5	4.5 plus 16
5.3	7	12.3	5.3 plus 7
0.2	5.5	5.7	0.2 plus 5.5
9.2	6.2	15.4	9.2 plus 6.2