4 Plus 21.7 Addition :

Number 1	Number 2	Answer
4	21.7	25.7

How to calculate 4 plus 21.7 ?

Let's break down the addition of 0400 and 21.7 step by step:

   0400      <-- Start with the rightmost column
+  21.7
---------

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

   0400
+  21.7
---------
     7


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

   0400
+  21.7
---------
     07


    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.

   0400
+  21.7
---------
     507


    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.

   0400
+  21.7
---------
     2507

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

The final result is 2507.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.1	27.7	31.8	4.1 plus 27.7
4.2	32.7	36.9	4.2 plus 32.7
4.3	36.7	41	4.3 plus 36.7
3.9	0.8	4.7	3.9 plus 0.8
6.9	0.4	7.3	6.9 plus 0.4
8.4	1.2	9.6	8.4 plus 1.2