4.2 Plus 1 Addition :

Number 1	Number 2	Answer
4.2	1	5.2

How to calculate 4.2 plus 1 ?

Let's break down the addition of 4.2 and 100 step by step:

   4.2      <-- Start with the rightmost column
+  100
---------

    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
+  100
---------
     2


    Add the digits in the rightmost column:
        4 + 1 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   4.2
+  100
---------
     5.2

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

The final result is 5.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	3	7.3	4.3 plus 3
4.4	8	12.4	4.4 plus 8
4.5	16	20.5	4.5 plus 16
8.8	1.6	10.4	8.8 plus 1.6
7	2.9	9.9	7 plus 2.9
7.4	7.7	15.1	7.4 plus 7.7