Halfway Between 1 and 40

When you ask "What number is halfway between 1 and 40?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=1 and Y=40.

Halfway Between Line

To find the number halfway between 1 and 40, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 1 and 40 into our formula, we get:

(1 + 40)/2 = 20.5

Thus, the number halfway between 1 and 40 is 20.5.

To check that our answer is correct, we subtract 1 from 20.5 and subtract 20.5 from 40 and compare the two numbers:

20.5 - 1 = 19.5
40 - 20.5 = 19.5

As you can see, the halfway number is 19.5 higher than 1 and 19.5 lower than 40. Therefore, our halfway between answer of 20.5 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 1 and 41
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