8.8 Plus 21.9 Addition :

Number 1	Number 2	Answer
8.8	21.9	30.7

How to calculate 8.8 plus 21.9 ?

Let's break down the addition of 08.8 and 21.9 step by step:

   08.8      <-- Start with the rightmost column
+  21.9
---------

    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   08.8
+  21.9
---------
     7


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

   08.8
+  21.9
---------
     0.7


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

   08.8
+  21.9
---------
     30.7

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

The final result is 30.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.9	23.9	32.8	8.9 plus 23.9
9	28.9	37.9	9 plus 28.9
9.1	37.9	47	9.1 plus 37.9
2.8	2.6	5.4	2.8 plus 2.6
0.5	8	8.5	0.5 plus 8
2.3	4.9	7.2	2.3 plus 4.9