Halfway Between 40 and 87




When you ask "What number is halfway between 40 and 87?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=40 and Y=87.



To find the number halfway between 40 and 87, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 40 and 87 into our formula, we get:

(40 + 87)/2 = 63.5

Thus, the number halfway between 40 and 87 is 63.5.


To check that our answer is correct, we subtract 40 from 63.5 and subtract 63.5 from 87 and compare the two numbers:

63.5 - 40 = 23.5
87 - 63.5 = 23.5

As you can see, the halfway number is 23.5 higher than 40 and 23.5 lower than 87. Therefore, our halfway between answer of 63.5 above is correct.

Halfway Between
Find halfway between two other numbers here!

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Halfway Between 40 and 88
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