8.7 Plus 6.4 Addition :

Number 1	Number 2	Answer
8.7	6.4	15.1

How to calculate 8.7 plus 6.4 ?

Let's break down the addition of 8.7 and 6.4 step by step:

   8.7      <-- Start with the rightmost column
+  6.4
---------

    Add the digits in the rightmost column:
        7 + 4 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   8.7
+  6.4
---------
     1


    Add the digits in the rightmost column:
        8 + 6 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   8.7
+  6.4
---------
     5.1

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

The final result is 15.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	13.4	22.2	8.8 plus 13.4
8.9	17.4	26.3	8.9 plus 17.4
9	19.4	28.4	9 plus 19.4
5.2	0.8	6	5.2 plus 0.8
6.6	4.5	11.1	6.6 plus 4.5
6.8	4.1	10.9	6.8 plus 4.1