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WikiCards · Card list · Science cards · Egyptian fraction
Uncommon card · Science
Egyptian fraction, an Uncommon card
An Egyptian fraction is a finite sum of distinct unit fractions, such as 1 2 + 1 3 + 1 16. That is, each fraction in the expression has a numerator equal to 1 and a denominator that is a positive integer, and all the denominators differ from each other.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 72
- DEF
- 42
- Power
- 114
- Wikipedia reads a year
- 26,000
Power 114 (ATK + DEF): stronger than 55 % of WikiCards cards.
Egyptian fraction quiz: 3 questions
Three questions on the Egyptian fraction card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Every positive rational number can be ______ by an Egyptian fraction.
Answer
represented. Every positive rational number can be represented by an Egyptian fraction. From the Egyptian fraction article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Egyptian fraction. Egyptian fraction 72 · Chris Rogers 69 · Central European Free Trade Agreement 66 · Nicolaus Otto 59 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The value of an expression of this type is a positive rational number a b, for instance the Egyptian fraction above sums to 43/48.
- Every positive rational number can be represented by an Egyptian fraction.
- Sums of this type, and similar sums also including 2/3 and 3/4 as summands, were used as a serious notation for rational numbers by the ancient Egyptians, and continued to be used by other civilizations into medieval times.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Egyptian fraction article was read about 26,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 72 and blocks with 42: each hit it takes is cut by 17 %.
How to get Egyptian fraction
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Egyptian fraction in the power ranking, all domains together.
- Peter PocklingtonUncommon · Society · ATK 70 DEF 44
- Central European Free Trade AgreementUncommon · Society · ATK 66 DEF 48
- Babelsberg StudioUncommon · Society · ATK 67 DEF 47
- Geely XingruiUncommon · Science · ATK 60 DEF 54
- MimivirusUncommon · Nature · ATK 65 DEF 49
- Bowden cableUncommon · Science · ATK 67 DEF 47
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Egyptian fraction (revision), CC BY-SA 4.0. Photo : unknown ( c. 2000 B.C ), Public domain, Wikimedia Commons.
