Monday, September 17, 2012

word usage - For which fractions is it standard practice to specify using 'over' instead of '-ths'?

For which fractions is it standard practice to specify using 'over' instead of ordinals?



For example, we read 5/16 as 'five-sixteenths' but 100/151 as 'one hundred over one hundred fifty one'.



Where do we stop reading numbers like that, and start using 'over'?

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