
When you ask "What number is halfway between 6 and 20?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=6 and Y=20.

To find the number halfway between 6 and 20, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 6 and 20 into our formula, we get:
(6 + 20)/2 = 13
Thus, the number halfway between 6 and 20 is 13.
To check that our answer is correct, we subtract 6 from 13 and subtract 13 from 20 and compare the two numbers:
13 - 6 = 7
20 - 13 = 7
As you can see, the halfway number is 7 higher than 6 and 7 lower than 20. Therefore, our halfway between answer of 13 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 6 and 21
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