21.3 Plus 642.1 Addition :

Number 1	Number 2	Answer
21.3	642.1	663.4

How to calculate 21.3 plus 642.1 ?

Let's break down the addition of 021.3 and 642.1 step by step:

   021.3      <-- Start with the rightmost column
+  642.1
---------

    Add the digits in the rightmost column:
        3 + 1 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   021.3
+  642.1
---------
     4


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   021.3
+  642.1
---------
     3.4


    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.

   021.3
+  642.1
---------
     63.4


    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.

   021.3
+  642.1
---------
     663.4

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

The final result is 663.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.4	650.1	671.5	21.4 plus 650.1
21.5	658.1	679.6	21.5 plus 658.1
21.6	664.1	685.7	21.6 plus 664.1
6.8	0.4	7.2	6.8 plus 0.4
4.9	8	12.9	4.9 plus 8
3.6	6.4	10	3.6 plus 6.4