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	10	14.3	4.3 plus 10
4.4	11	15.4	4.4 plus 11
4.5	17	21.5	4.5 plus 17
7.8	4.7	12.5	7.8 plus 4.7
2.8	0.6	3.4	2.8 plus 0.6
1.4	3	4.4	1.4 plus 3