Halfway Between 20 and 670

When you ask "What number is halfway between 20 and 670?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=20 and Y=670.

Halfway Between Line

To find the number halfway between 20 and 670, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 20 and 670 into our formula, we get:

(20 + 670)/2 = 345

Thus, the number halfway between 20 and 670 is 345.

To check that our answer is correct, we subtract 20 from 345 and subtract 345 from 670 and compare the two numbers:

345 - 20 = 325
670 - 345 = 325

As you can see, the halfway number is 325 higher than 20 and 325 lower than 670. Therefore, our halfway between answer of 345 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 20 and 671
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