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Questions tagged [fractions]

Fractions, or "fractional numbers" (lit. "broken numbers"), or "rational numbers", are numbers expressed as the ratio of two integers, such as 1/2 or 23/17.

In computing and programming, fractional (or "rational") numbers are an alternative to floating point numbers: Since numerator and denominator are stored as integers, the representation is exact, as opposed to most floating point implementations, which cannot represent most rational numbers exactly. Arbitrary-precision ("bignum") libraries usually contain support for rational numbers.

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range() for floats

Is there a range() equivalent for floats in Python? >>> range(0.5,5,1.5) [0, 1, 2, 3, 4] >>> range(0.5,5,0.5) Traceback (most recent call last): File "", line 1, in range(0.5,5,0.5) ValueError: range() step argument must…
Jonathan Livni
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How to convert a decimal number into fraction?

I was wondering how to convert a decimal into a fraction in its lowest form in Python. For example: 0.25 -> 1/4 0.5 -> 1/2 1.25 -> 5/4 3 -> 3/1
user2370460
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Best way to represent a fraction in Java?

I'm trying to work with fractions in Java. I want to implement arithmetic functions. For this, I will first require a way to normalize the functions. I know I can't add 1/6 and 1/2 until I have a common denominator. I will have to add 1/6 and…
eleven81
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How to write fraction value using html?

I want to write fraction value such as the picture below: How do I write fraction value using html without using image? NOTE: I don't want this 1 1/2 pattern but strictly just as the pic above
user774411
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Is there a JavaScript function that reduces a fraction

say we have fraction 2/4, it can be reduced to 1/2. Is there a JavaScript function that can do the reducing?
dave
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Does Python have a function to reduce fractions?

For example, when I calculate 98/42 I want to get 7/3, not 2.3333333, is there a function for that using Python or Numpy?
LWZ
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Print number as reduced fraction in R

On my old beat-up TI-83 I can get a reduced fraction representation of a rational real number with the following syntax. .14>Frac 7/50 Is there a similar syntax, function, or CRAN package that will allow me to do this in R?
Daniel Standage
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Is there a reliable way in JavaScript to obtain the number of decimal places of an arbitrary number?

It's important to note that I'm not looking for a rounding function. I am looking for a function that returns the number of decimal places in an arbitrary number's simplified decimal representation. That is, we have the…
Milosz
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Convert Fraction String to Decimal?

I'm trying to create a javascript function that can take a fraction input string such as '3/2' and convert it to decimal—either as a string '1.5' or number 1.5 function ratio(fraction) { var fraction = (fraction !== undefined) ? fraction :…
ryanve
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Split decimal variable into integral and fraction parts

I am trying to extract the integral and fractional parts from a decimal value (both parts should be integers): decimal decimalValue = 12.34m; int integral = (int) decimal.Truncate(decimalValue); int fraction = (int) ((decimalValue -…
invarbrass
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Is there any way to access denominator of a fraction in Python 2

Is there any way to access the denominator in a fraction in Python 2? For example, I have a variable: x = fractions.Fraction(4,1) And I want to access its denominator. How do I do that?
nsane
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How to display "Classic" built-up fractions with an horizontal line in CSS / JavaScript?

I have a fraction and I want to display it neatly and nicely. For example 4/5 would be 4 — 5 I have looked at this and while this solution is decent the problem lies in having the 4 and the 5 in the same line with a straight line separating…
cjds
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PHP convert decimal into fraction and back?

I want the user to be able to type in a fraction like: 1/2 2 1/4 3 And convert it into its corresponding decimal, to be saved in MySQL, that way I can order by it and do other comparisons to it. But I need to be able to convert the decimal back…
JD Isaacks
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regex to match irreducible fractions

How can I match irreducible fractions with regex? For example, 23/25, 3/4, 5/2, 100/101, etc. First of all, I have no idea about the gcd-algorithm realization in regex. Update for all of you who's answering like "You are using the wrong tool": Yeah,…
ДМИТРИЙ МАЛИКОВ
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What's the difference between the classes Floating and Fractional in Haskell?

What is the difference is between the Floating and Fractional classes in Haskell?
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