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Asked: 2026-05-16T16:20:38+00:00

I am using the Apache Commons math.Fraction class to convert my doubles to fractions,

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I am using the Apache Commons math.Fraction class to convert my doubles to fractions, which is working fine.

However, I need it to calculate these fractions in a way that makes sense for displaying lengths in inches, to the nearest 1/32″.

For example, converting 0.325 to a fraction yields 12/37, which doesn’t make sense to someone looking at a US ruler. I suppose I want to round the decimal to the nearest .03125 before i convert it, if that makes sense. My basic math skills are failing me 🙁

edit
To clarify, all the input is in decimal inches between 0 and 1. Given the sample input above, I would want 5/16″.

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1 Answer

  1. Editorial Team

    can you multiply the fractional part by 32 then round?

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