1.5 Plus 21 Addition :

Number 1	Number 2	Answer
1.5	21	22.5

How to calculate 1.5 plus 21 ?

Let's break down the addition of 01.5 and 2100 step by step:

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

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

   01.5
+  2100
---------
     5


    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.

   01.5
+  2100
---------
     2.5


    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.

   01.5
+  2100
---------
     22.5

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

The final result is 22.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.6	28	29.6	1.6 plus 28
1.7	35	36.7	1.7 plus 35
1.8	37	38.8	1.8 plus 37
2.3	9.4	11.7	2.3 plus 9.4
2.6	0.4	3	2.6 plus 0.4
2	4	6	2 plus 4