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  2. One half - Wikipedia

    en.wikipedia.org/wiki/One_half

    0.4 8: Duodecimal: 0.6 12: ... Chinese: 半: Tibetan: ༪: One half is the multiplicative inverse of 2. It is an irreducible fraction with a numerator of 1 and a ...

  3. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    [12] [13] In general, a common fraction is said to be a proper fraction, if the absolute value of the fraction is strictly less than one—that is, if the fraction is greater than −1 and less than 1. [14] [15] It is said to be an improper fraction, or sometimes top-heavy fraction, [16] if the absolute value of the fraction is greater than or ...

  4. List of types of numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_numbers

    Natural numbers including 0 are also sometimes called whole numbers. [1] [2] ... Base 12, a numeral system ... Continued fraction: ...

  5. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    A repeating decimal or recurring decimal is a decimal representation of a number whose digits are eventually periodic (that is, after some place, the same sequence of digits is repeated forever); if this sequence consists only of zeros (that is if there is only a finite number of nonzero digits), the decimal is said to be terminating, and is not considered as repeating.

  6. Duodecimal - Wikipedia

    en.wikipedia.org/wiki/Duodecimal

    The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.

  7. Rational number - Wikipedia

    en.wikipedia.org/wiki/Rational_number

    The real numbers that are rational are those whose decimal expansion either terminates after a finite number of digits (example: 3/4 = 0.75), or eventually begins to repeat the same finite sequence of digits over and over (example: 9/44 = 0.20454545...

  8. Decimal representation - Wikipedia

    en.wikipedia.org/wiki/Decimal_representation

    1 ⁄ 3 = 0.33333... 1 ⁄ 7 = 0.142857142857... 1318 ⁄ 185 = 7.1243243243... Every time this happens the number is still a rational number (i.e. can alternatively be represented as a ratio of an integer and a positive integer). Also the converse is true: The decimal expansion of a rational number is either finite, or endlessly repeating.

  9. Continued fraction - Wikipedia

    en.wikipedia.org/wiki/Continued_fraction

    A continued fraction is a mathematical expression that can be ... part of the fraction by w n, instead of by 0, to compute the convergents. The ... (2 7/12 or 12 √ ...