Fractions
Ancient Egyptians used 
r to express fractions, meaning part below of the number used as a denominator.
Ancient Egyptians did not have a phonetic value for repeated fraction units.
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2/3
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r-3 r-3
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3/5
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r-5 r-5 r-5
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4/7
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gs r-14
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There were specific signs for a few fractions:
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½
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gs
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¼
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Hsb
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2/3
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rwi
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¾
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xmt rw
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