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One half
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{{for|the computer virus|OneHalf}} {{redirect|Half}} {{Short description|Irreducible fraction}} {{Wiktionary|one half}} {{Infobox number | number = 0.5 | cardinal = one half | ordinal = {{frac|1|2}}th (halfth) |lang1=[[Greek numerals|Greek]] |lang1 symbol={{resize|155%|'''β '''}} |lang2=[[Roman numerals]] |lang2 symbol={{resize|125%|'''S'''}} |lang3=[[Egyptian hieroglyph]] |lang3 symbol={{resize|250%|'''π'''}} |lang4=[[Hebrew]] |lang4 symbol={{resize|125%|ΧΦ΅Χ¦Φ΄}} |lang5=[[Malayalam]] |lang5 symbol={{resize|125%|ΰ΅΄}} |lang6=[[Chinese numeral|Chinese]] |lang6 symbol={{resize|125%|ε}} |lang7=[[Classical Tibetan|Tibetan]] |lang7 symbol={{resize|175%|ΰΌͺ}} }} '''One half''' is the [[multiplicative inverse]] of [[2]]. It is an [[irreducible fraction]] with a numerator of 1 and a denominator of 2. It often appears in [[mathematical equation]]s, [[recipe]]s and [[measurement]]s.
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