1.8 Plus 21 Addition :

Number 1	Number 2	Answer
1.8	21	22.8

How to calculate 1.8 plus 21 ?

Let's break down the addition of 01.8 and 2100 step by step:

   01.8      <-- Start with the rightmost column
+  2100
---------

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

   01.8
+  2100
---------
     8


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

   01.8
+  2100
---------
     2.8


    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.

   01.8
+  2100
---------
     22.8

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

The final result is 22.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.9	22	23.9	1.9 plus 22
2	29	31	2 plus 29
2.1	33	35.1	2.1 plus 33
0.3	0.2	0.5	0.3 plus 0.2
2.4	9.7	12.1	2.4 plus 9.7
7.9	4.9	12.8	7.9 plus 4.9