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	5	9.3	4.3 plus 5
4.4	14	18.4	4.4 plus 14
4.5	20	24.5	4.5 plus 20
7.5	5.9	13.4	7.5 plus 5.9
7.7	4.9	12.6	7.7 plus 4.9
0.4	0.9	1.3	0.4 plus 0.9