21.7 Plus 667.8 Addition :

Number 1	Number 2	Answer
21.7	667.8	689.5

How to calculate 21.7 plus 667.8 ?

Let's break down the addition of 021.7 and 667.8 step by step:

   021.7      <-- Start with the rightmost column
+  667.8
---------

    Add the digits in the rightmost column:
        7 + 8 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   021.7
+  667.8
---------
     5


    Add the digits in the rightmost column:
        1 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.7
+  667.8
---------
     9.5


    Add the digits in the rightmost column:
        2 + 6 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   021.7
+  667.8
---------
     89.5


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.7
+  667.8
---------
     689.5

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

The final result is 689.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.8	669.8	691.6	21.8 plus 669.8
21.9	678.8	700.7	21.9 plus 678.8
22	680.8	702.8	22 plus 680.8
4.6	3.3	7.9	4.6 plus 3.3
4	8.8	12.8	4 plus 8.8
1.9	2.2	4.1	1.9 plus 2.2