Get numerator from fraction python
Source code: Lib/fractions.py Show The A Fraction instance can be constructed from a pair of integers, from another rational number, or from a string. classfractions. Fraction (numerator=0, denominator=1)¶ class
fractions. Fraction (other_fraction) class fractions. Fraction (float) class fractions. Fraction (decimal) class fractions. Fraction (string)The first version requires that numerator and denominator are
instances of [sign] numerator ['/' denominator] where the optional >>> from fractions import Fraction >>> Fraction(16, -10) Fraction(-8, 5) >>> Fraction(123) Fraction(123, 1) >>> Fraction() Fraction(0, 1) >>> Fraction('3/7') Fraction(3, 7) >>> Fraction(' -3/7 ') Fraction(-3, 7) >>> Fraction('1.414213 \t\n') Fraction(1414213, 1000000) >>> Fraction('-.125') Fraction(-1, 8) >>> Fraction('7e-6') Fraction(7, 1000000) >>> Fraction(2.25) Fraction(9, 4) >>> Fraction(1.1) Fraction(2476979795053773, 2251799813685248) >>> from decimal import Decimal >>> Fraction(Decimal('1.1')) Fraction(11, 10) The Changed in version 3.9: The
numerator ¶Numerator of the Fraction in lowest term. denominator ¶
Denominator of the Fraction in lowest term. as_integer_ratio ()¶Return a tuple of two integers, whose ratio is equal to the Fraction and with a positive denominator. New in version 3.8. classmethodfrom_float (flt)¶Alternative constructor which only accepts instances of Note From Python 3.2 onwards, you can also construct a from_decimal (dec)¶Alternative constructor which only accepts instances of
limit_denominator (max_denominator=1000000)¶Finds and returns the closest >>> from fractions import Fraction >>> Fraction('3.1415926535897932').limit_denominator(1000) Fraction(355, 113) or for recovering a rational number that’s represented as a float: >>> from math import pi, cos >>> Fraction(cos(pi/3)) Fraction(4503599627370497, 9007199254740992) >>> Fraction(cos(pi/3)).limit_denominator() Fraction(1, 2) >>> Fraction(1.1).limit_denominator() Fraction(11, 10) __floor__ ()¶Returns the greatest
>>> from math import floor >>> floor(Fraction(355, 113)) 3 __ceil__ ()¶Returns the least __round__ ()¶ __round__ (ndigits)The first version returns the nearest See also Modulenumbers The abstract base classes making up the numeric tower. How do you find the numerator and denominator in Python?Fraction(string) : This requires the string or unicode instance and a fraction instance with same value is returned. Form for this instance : [sign] numerator ['/' denominator] Here, sign represents '+' or '-' and numerator and denominator are strings of single digits.
How do you find the fractional value in Python?You have two options:. Use float.as_integer_ratio() : >>> (0.25).as_integer_ratio() (1, 4) (as of Python 3.6, you can do the same with a decimal. Decimal() object.). Use the fractions.Fraction() type: >>> from fractions import Fraction >>> Fraction(0.25) Fraction(1, 4). How do you simplify fractions in Python?Reduce Fractions Function Python. A function that reduces/simplifies fractions using the Euclidean Algorithm, in Python.. def reducefract(n, d):. '''Reduces fractions. n is the numerator and d the denominator. '''. def gcd(n, d):. while d != ... . t = d.. How do you find rational numbers in Python?The fractions module of Python library provides functionality for rational number arithmetic. The first version of Fraction constructor receives two parameters for numerator and denominator. Default numerator is 0 and default denominator is 1. Value of denominator = 0 throws ZeroDivisionError.
|