Rational | Rational number (English)
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Definition (keystage 3)
A number is rational if it can be written as the ratio of two
whole numbers.
eg 2/5 is rational but e is not.
We use the symbol Q for the set { [(n)/(m)] | n ∈ Z , m ∈ Z and m ≠ 0 } .
whole numbers.
eg 2/5 is rational but e is not.
We use the symbol Q for the set { [(n)/(m)] | n ∈ Z , m ∈ Z and m ≠ 0 } .
Relations
- broader:
- (en) Real number
- narrower:
- (en) Fraction
- (en) Integer
- (en) Price
- (en) Rational zero
- references:
- (en) Integer
- (en) Whole number
- referenced:
- (en) Q
- (en) Terminating decimal
- see also:
- (en) Irrational number
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