Mediant
Given a Farey Sequence with consecutive terms 
and 
, then the mediant is defined as the reduced formof the fraction 
.
References
Conway, J. H. and Guy, R. K. ``Farey Fractions and Ford Circles.'' The Book of Numbers. New York: Springer-Verlag, pp. 152-154, 1996.
- Arithmetic Geometry
- Arithmetic-Harmonic Mean
- Arithmetic-Logarithmic-Geometric Mean Inequality
- Arithmetic Mean
- Arithmetic Progression
- Arithmetic Sequence
- Arithmetic Series
- Armstrong Number
- Arnold Diffusion
- Arnold's Cat Map
- Arnold Tongue
- Aronhold Process
- Aronson's Sequence
- Arrangement
- Arrangement Number
- Array
- Arrowhead Curve
- Arrow Notation
- Arrow's Paradox
- Art Gallery Theorem
- Articulation Vertex
- Artin Braid Group
- Artinian Group
- Artinian Ring
- Artin L-Function