Reference

All functions
as_decimal()	Convert a Fraction to a Decimal
as_fraction()	Convert a Decimal to an Approximate Fraction
as_improper()	Converts a Parsed Fraction to an Improper Fraction
as_simplified()	Simplifies Parsed Fractions to Proper or Mixed Fraction Form
common_factors()	Common Factors of Multiple Numbers
factors_of()	All Factors of a Number
add_fractions() subtract_fractions() multiply_fractions() divide_fractions() `%f+%` `%f-%` `%f*%` `%f/%`	Basic Arithmetic with Fractions
`%f<%` `%f>%` `%f<=%` `%f>=%` `%f==%` `%f!=%`	Basic Comparison of Fractions
grouped_mean() grouped_mode() grouped_median()	Estimate Measures of Central Tendency for Already Grouped Data
least_common_multiple()	Least Common Multiple of a Set of Numbers
parse_fraction()	Parse a String as a Fraction
prime_factors()	Prime Factors of a Number