87.2 Plus 42 Addition :

Number 1	Number 2	Answer
87.2	42	129.2

How to calculate 87.2 plus 42 ?

Let's break down the addition of 87.2 and 4200 step by step:

   87.2      <-- Start with the rightmost column
+  4200
---------

    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.

   87.2
+  4200
---------
     2


    Add the digits in the rightmost column:
        7 + 2 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   87.2
+  4200
---------
     9.2


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   87.2
+  4200
---------
     29.2

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

The final result is 129.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
87.3	47	134.3	87.3 plus 47
87.4	56	143.4	87.4 plus 56
87.5	58	145.5	87.5 plus 58
4.6	2.3	6.9	4.6 plus 2.3
5.6	1.4	7	5.6 plus 1.4
8.4	3.1	11.5	8.4 plus 3.1