Two fractions are said to be adjacent if their difference has a unit numerator. For example, 1/3 and 1/4 are adjacent since , but and are not since . Adjacent fractions can be adjacent in a Farey sequence.
See alsoFarey Sequence, Ford Circle, Fraction, Numerator
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ReferencesPickover, C. A. Keys to Infinity. New York: Wiley, p. 119, 1995.
Referenced on Wolfram|AlphaAdjacent Fraction
Cite this as:
Weisstein, Eric W. "Adjacent Fraction." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/AdjacentFraction.html