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21 lines
397 B
Ruby
21 lines
397 B
Ruby
class Float
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def number_decimal_places
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self.to_s.length-2
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end
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def to_fraction
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higher = 10**self.number_decimal_places
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lower = self*higher
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gcden = greatest_common_divisor(higher, lower)
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return (lower/gcden).round, (higher/gcden).round
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end
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private
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def greatest_common_divisor(a, b)
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while a%b != 0
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a,b = b.round,(a%b).round
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end
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return b
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end
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end
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