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	26	113.3	87.3 plus 26
87.4	34	121.4	87.4 plus 34
87.5	38	125.5	87.5 plus 38
6.8	1.7	8.5	6.8 plus 1.7
0.3	3	3.3	0.3 plus 3
4.6	0.4	5	4.6 plus 0.4