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	50	137.3	87.3 plus 50
87.4	58	145.4	87.4 plus 58
87.5	66	153.5	87.5 plus 66
1.3	4.4	5.7	1.3 plus 4.4
0.4	0.3	0.7	0.4 plus 0.3
2.3	5.9	8.2	2.3 plus 5.9