Halfway Between 15 and 422

When you ask "What number is halfway between 15 and 422?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=15 and Y=422.

Halfway Between Line

To find the number halfway between 15 and 422, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 15 and 422 into our formula, we get:

(15 + 422)/2 = 218.5

Thus, the number halfway between 15 and 422 is 218.5.

To check that our answer is correct, we subtract 15 from 218.5 and subtract 218.5 from 422 and compare the two numbers:

218.5 - 15 = 203.5
422 - 218.5 = 203.5

As you can see, the halfway number is 203.5 higher than 15 and 203.5 lower than 422. Therefore, our halfway between answer of 218.5 above is correct.

Halfway Between
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Halfway Between 15 and 423
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