Skip to content

Decimal To Fraction (alternative)

Routine Summary Inputs Outputs Variables Used Author
Converts a decimal into a fraction Ans - Decimal input Ans - Numerator (1), Denominator (2) A, B, Ans 12Me21 
:Ans→A:1→B
:While fPart(A
:10A→A:10B→B
:End
:{A,B}/gcd(abs(A),B

It starts by setting up a fraction with the input as the numerator and 1 as the denominator. After that, it multiplies both by 10 until the numerator is an integer, and then simplifies the fraction.

Error Conditions

  • ERR:DATA TYPE is thrown if Ans is an imaginary or complex number
  • ERR:DOMAIN is thrown if Ans has more than 11 digits after the decimal.
Authors: KG