ffracsiwn pendrwm

== Welsh == === Etymology === Calque of English top-heavy fraction. === Noun === ffracsiwn pendrwm m (plural ffracsiynau pendrwm, not mutable) (arithmetic) improper fraction, top-heavy fraction ==== Related terms ==== ffracsiwn bondrwm (“proper fraction”) ffracsiwn cyffredin (“vulgar fraction”) === Further reading === Griffiths, Bruce; Glyn Jones, Dafydd (1995), “improper”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN D. G. Lewis, N. Lewis, editors (2005–present), “ffracsiwn”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “ffracsiwn pendrwm”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies