87.2 Plus 21 Addition :

Number 1	Number 2	Answer
87.2	21	108.2

How to calculate 87.2 plus 21 ?

Let's break down the addition of 87.2 and 2100 step by step:

   87.2      <-- Start with the rightmost column
+  2100
---------

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

   87.2
+  2100
---------
     2


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   87.2
+  2100
---------
     8.2


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   87.2
+  2100
---------
     08.2

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

The final result is 108.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
87.3	29	116.3	87.3 plus 29
87.4	36	123.4	87.4 plus 36
87.5	44	131.5	87.5 plus 44
3.6	1.3	4.9	3.6 plus 1.3
3.5	2.7	6.2	3.5 plus 2.7
7.5	8.8	16.3	7.5 plus 8.8