8.7 Plus 20 Addition :

Number 1	Number 2	Answer
8.7	20	28.7

How to calculate 8.7 plus 20 ?

Let's break down the addition of 08.7 and 2000 step by step:

   08.7      <-- Start with the rightmost column
+  2000
---------

    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
+  2000
---------
     7


    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.

   08.7
+  2000
---------
     8.7


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

   08.7
+  2000
---------
     28.7

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

The final result is 28.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	21	29.8	8.8 plus 21
8.9	30	38.9	8.9 plus 30
9	36	45	9 plus 36
1.7	3.4	5.1	1.7 plus 3.4
2.8	0.9	3.7	2.8 plus 0.9
8.8	9.4	18.2	8.8 plus 9.4