2.7 Plus 21 Addition :

Number 1	Number 2	Answer
2.7	21	23.7

How to calculate 2.7 plus 21 ?

Let's break down the addition of 02.7 and 2100 step by step:

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

    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.

   02.7
+  2100
---------
     7


    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.

   02.7
+  2100
---------
     3.7


    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.

   02.7
+  2100
---------
     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 ?
2.8	29	31.8	2.8 plus 29
2.9	32	34.9	2.9 plus 32
3	39	42	3 plus 39
9.7	1.5	11.2	9.7 plus 1.5
8.5	4.2	12.7	8.5 plus 4.2
8.7	6.7	15.4	8.7 plus 6.7