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	30	31.6	1.6 plus 30
1.7	38	39.7	1.7 plus 38
1.8	42	43.8	1.8 plus 42
7.9	8	15.9	7.9 plus 8
6.5	6.6	13.1	6.5 plus 6.6
9	4.1	13.1	9 plus 4.1