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	7	11.3	4.3 plus 7
4.4	14	18.4	4.4 plus 14
4.5	21	25.5	4.5 plus 21
3.7	6.5	10.2	3.7 plus 6.5
0.7	1.1	1.8	0.7 plus 1.1
6.8	2.6	9.4	6.8 plus 2.6