4.7 Plus 21 Addition :

Number 1	Number 2	Answer
4.7	21	25.7

How to calculate 4.7 plus 21 ?

Let's break down the addition of 04.7 and 2100 step by step:

   04.7      <-- 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.

   04.7
+  2100
---------
     7


    Add the digits in the rightmost column:
        4 + 1 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   04.7
+  2100
---------
     5.7


    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.

   04.7
+  2100
---------
     25.7

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

The final result is 25.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.8	25	29.8	4.8 plus 25
4.9	29	33.9	4.9 plus 29
5	30	35	5 plus 30
9.9	2.9	12.8	9.9 plus 2.9
0.4	2.4	2.8	0.4 plus 2.4
0.8	9.9	10.7	0.8 plus 9.9