8.7 Plus 15 Addition :

Number 1	Number 2	Answer
8.7	15	23.7

How to calculate 8.7 plus 15 ?

Let's break down the addition of 08.7 and 1500 step by step:

   08.7      <-- Start with the rightmost column
+  1500
---------

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

   08.7
+  1500
---------
     7


    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   08.7
+  1500
---------
     3.7


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   08.7
+  1500
---------
     23.7

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

The final result is 23.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	20	28.8	8.8 plus 20
8.9	21	29.9	8.9 plus 21
9	30	39	9 plus 30
9.4	1.7	11.1	9.4 plus 1.7
7.9	4.1	12	7.9 plus 4.1
6.2	4.5	10.7	6.2 plus 4.5