Peda penerang kena Lumur rasional

[[Fail:Number-systems_(NZQRC).svg|thumb|Lumur rasional {{Tmath|\Q}} disengkaum dalam lumur bendar {{Tmath|\R}}, ke disengkaum lumur kompleks {{Tmath|\C}}, seraya lumur rasional mega nyengkaum [[integer]] {{Tmath|\Z}}, ti mega nyengkaum [[lumur natural]] {{Tmath|\N}}.]]

Dalam [[matematik]], '''lumur rasional''' nya [[lumur]] ti tau dipadahka nyadi quotient tauka pemechah {{Tmath|\tfrac p q}} ari dua iti [[integer]], siti [[numerator]] {{Mvar|p}} enggau siti [[denominator]] ukai-kusung {{Mvar|q}}.<ref name="Rosen">{{Cite book |last = Rosen |first=Kenneth |title=Discrete Mathematics and its Applications |year=2007 |edition=6th |publisher=McGraw-Hill |location=New York, NY|isbn=978-0-07-288008-3 |pages=105, 158–160}}</ref> Ngambika chunto, {{Tmath|\tfrac{3}{7} }} nya lumur rasional baka semua integer (cth., {{Nobr|<math>-5 = \tfrac{-5}{1}</math>).}} [[Set (matematik)|Set]] semua lumur rasional, dikelala mega enggau nama<ref>{{Cite book |title=Elements of Pure and Applied Mathematics |edition=illustrated |first1=Harry |last1=Lass |publisher=Courier Corporation |year=2009 |isbn=978-0-486-47186-0 |page=382 |url=https://books.google.com/books?id=WAY_AwAAQBAJ}} [https://books.google.com/books?id=WAY_AwAAQBAJ&pg=PA382 Extract of page 382]</ref> '''midan rasional'''<ref>{{Cite book |title=The Collected Works of Julia Robinson |first1=Julia |last1=Robinson |publisher=American Mathematical Soc |year=1996 |isbn=978-0-8218-0575-6 |page=104 |url=https://books.google.com/books?id=_33D84OENIAC}} [https://books.google.com/books?id=_33D84OENIAC&pg=PA104 Extract of page 104]</ref> tauka '''midan lumur rasional''' suah ditanda enggau lambang {{Math|'''Q'''}}, tauka urup tebal papan chelum {{Tmath|\Q.}}.

== Penerang ==