0.7 Plus 21 Addition :

Number 1	Number 2	Answer
0.7	21	21.7

How to calculate 0.7 plus 21 ?

Let's break down the addition of 00.7 and 2100 step by step:

   00.7      <-- 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.

   00.7
+  2100
---------
     7


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

   00.7
+  2100
---------
     1.7


    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.

   00.7
+  2100
---------
     21.7

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

The final result is 21.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
0.8	28	28.8	0.8 plus 28
0.9	35	35.9	0.9 plus 35
1	36	37	1 plus 36
9.8	9.1	18.9	9.8 plus 9.1
4.1	1.4	5.5	4.1 plus 1.4
2.3	0.8	3.1	2.3 plus 0.8