42.4 Plus 87 Addition :

Number 1	Number 2	Answer
42.4	87	129.4

How to calculate 42.4 plus 87 ?

Let's break down the addition of 42.4 and 8700 step by step:

   42.4      <-- Start with the rightmost column
+  8700
---------

    Add the digits in the rightmost column:
        4 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   42.4
+  8700
---------
     4


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

   42.4
+  8700
---------
     9.4


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

   42.4
+  8700
---------
     29.4

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

The final result is 129.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.5	95	137.5	42.5 plus 95
42.6	104	146.6	42.6 plus 104
42.7	109	151.7	42.7 plus 109
8	1.6	9.6	8 plus 1.6
0.3	6.4	6.7	0.3 plus 6.4
4.5	7.9	12.4	4.5 plus 7.9