21.3 Plus 688.9 Addition :

Number 1	Number 2	Answer
21.3	688.9	710.2

How to calculate 21.3 plus 688.9 ?

Let's break down the addition of 021.3 and 688.9 step by step:

   021.3      <-- Start with the rightmost column
+  688.9
---------

    Add the digits in the rightmost column:
        3 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   021.3
+  688.9
---------
     2


    Add the digits in the rightmost column:
        1 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.3
+  688.9
---------
     0.2


    Add the digits in the rightmost column:
        2 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   021.3
+  688.9
---------
     10.2


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.3
+  688.9
---------
     710.2

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

The final result is 710.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.4	689.9	711.3	21.4 plus 689.9
21.5	697.9	719.4	21.5 plus 697.9
21.6	705.9	727.5	21.6 plus 705.9
4	8.2	12.2	4 plus 8.2
3.1	1.1	4.2	3.1 plus 1.1
6.9	9.8	16.7	6.9 plus 9.8