21.2 Plus 645.5 Addition :

Number 1	Number 2	Answer
21.2	645.5	666.7

How to calculate 21.2 plus 645.5 ?

Let's break down the addition of 021.2 and 645.5 step by step:

   021.2      <-- Start with the rightmost column
+  645.5
---------

    Add the digits in the rightmost column:
        2 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.2
+  645.5
---------
     7


    Add the digits in the rightmost column:
        1 + 5 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.2
+  645.5
---------
     6.7


    Add the digits in the rightmost column:
        2 + 4 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.2
+  645.5
---------
     66.7


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.2
+  645.5
---------
     666.7

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

The final result is 666.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.3	654.5	675.8	21.3 plus 654.5
21.4	663.5	684.9	21.4 plus 663.5
21.5	664.5	686	21.5 plus 664.5
4.2	2.8	7	4.2 plus 2.8
0.4	5.5	5.9	0.4 plus 5.5
3.9	3	6.9	3.9 plus 3