Halfway Between 13 and 78

When you ask "What number is halfway between 13 and 78?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=13 and Y=78.

Halfway Between Line

To find the number halfway between 13 and 78, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 13 and 78 into our formula, we get:

(13 + 78)/2 = 45.5

Thus, the number halfway between 13 and 78 is 45.5.

To check that our answer is correct, we subtract 13 from 45.5 and subtract 45.5 from 78 and compare the two numbers:

45.5 - 13 = 32.5
78 - 45.5 = 32.5

As you can see, the halfway number is 32.5 higher than 13 and 32.5 lower than 78. Therefore, our halfway between answer of 45.5 above is correct.

Halfway Between
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Halfway Between 13 and 79
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