9.7 Plus 21 Addition :

Number 1	Number 2	Answer
9.7	21	30.7

How to calculate 9.7 plus 21 ?

Let's break down the addition of 09.7 and 2100 step by step:

   09.7      <-- 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.

   09.7
+  2100
---------
     7


    Add the digits in the rightmost column:
        9 + 1 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   09.7
+  2100
---------
     0.7


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

   09.7
+  2100
---------
     30.7

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

The final result is 30.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.8	28	37.8	9.8 plus 28
9.9	36	45.9	9.9 plus 36
10	39	49	10 plus 39
5.6	7.6	13.2	5.6 plus 7.6
0.2	4	4.2	0.2 plus 4
1.6	8.3	9.9	1.6 plus 8.3