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	23	23.8	0.8 plus 23
0.9	28	28.9	0.9 plus 28
1	32	33	1 plus 32
6.1	3.2	9.3	6.1 plus 3.2
9.9	1	10.9	9.9 plus 1
4.3	2.3	6.6	4.3 plus 2.3