Halfway Between 21 and 101

When you ask "What number is halfway between 21 and 101?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=21 and Y=101.

Halfway Between Line

To find the number halfway between 21 and 101, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 21 and 101 into our formula, we get:

(21 + 101)/2 = 61

Thus, the number halfway between 21 and 101 is 61.

To check that our answer is correct, we subtract 21 from 61 and subtract 61 from 101 and compare the two numbers:

61 - 21 = 40
101 - 61 = 40

As you can see, the halfway number is 40 higher than 21 and 40 lower than 101. Therefore, our halfway between answer of 61 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 21 and 102
Here is our next Halfway Between calculation.