42.9 Plus 87 Addition :

Number 1	Number 2	Answer
42.9	87	129.9

How to calculate 42.9 plus 87 ?

Let's break down the addition of 42.9 and 8700 step by step:

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

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

   42.9
+  8700
---------
     9


    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.

   42.9
+  8700
---------
     9.9


    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.

   42.9
+  8700
---------
     29.9

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

The final result is 129.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
43	93	136	43 plus 93
43.1	100	143.1	43.1 plus 100
43.2	103	146.2	43.2 plus 103
1.8	5.5	7.3	1.8 plus 5.5
9.3	6.7	16	9.3 plus 6.7
2.1	9.7	11.8	2.1 plus 9.7