87.8 Plus 42 Addition :

Number 1	Number 2	Answer
87.8	42	129.8

How to calculate 87.8 plus 42 ?

Let's break down the addition of 87.8 and 4200 step by step:

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

    Add the digits in the rightmost column:
        8 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   87.8
+  4200
---------
     8


    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.

   87.8
+  4200
---------
     9.8


    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.

   87.8
+  4200
---------
     29.8

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

The final result is 129.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
87.9	49	136.9	87.9 plus 49
88	56	144	88 plus 56
88.1	62	150.1	88.1 plus 62
6	1	7	6 plus 1
0.7	2.9	3.6	0.7 plus 2.9
4.2	8.3	12.5	4.2 plus 8.3