2.5 Plus 21 Addition :

Number 1	Number 2	Answer
2.5	21	23.5

How to calculate 2.5 plus 21 ?

Let's break down the addition of 02.5 and 2100 step by step:

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

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   02.5
+  2100
---------
     5


    Add the digits in the rightmost column:
        2 + 1 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   02.5
+  2100
---------
     3.5


    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.

   02.5
+  2100
---------
     23.5

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

The final result is 23.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.6	28	30.6	2.6 plus 28
2.7	31	33.7	2.7 plus 31
2.8	38	40.8	2.8 plus 38
4.1	1.8	5.9	4.1 plus 1.8
6	8	14	6 plus 8
7.9	2	9.9	7.9 plus 2