6.7 Plus 21 Addition :

Number 1	Number 2	Answer
6.7	21	27.7

How to calculate 6.7 plus 21 ?

Let's break down the addition of 06.7 and 2100 step by step:

   06.7      <-- 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.

   06.7
+  2100
---------
     7


    Add the digits in the rightmost column:
        6 + 1 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   06.7
+  2100
---------
     7.7


    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.

   06.7
+  2100
---------
     27.7

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

The final result is 27.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.8	30	36.8	6.8 plus 30
6.9	34	40.9	6.9 plus 34
7	42	49	7 plus 42
3.8	8.1	11.9	3.8 plus 8.1
5.8	2.6	8.4	5.8 plus 2.6
4.2	0.2	4.4	4.2 plus 0.2