ChatterBank3 mins ago
Fractions v. Decimals
Though I have seen U.K. motorway signs that read 'Exit 15, 2 1/3 miles' (which must cause puzzlement to foreign visitors), overall and since decimalization of the pound, we seem to abandon more and more the use of fractions which are often an inefficient means of mathmatical notation and lead to mathmatical infinities, for example, if you divide 10 by three in base ten you get 3.3 recurring (infinitely). Equally you could say that the answer is 3 1/3 with no infinite recurrence, - end of story! Why are modern scientists, mathematicians and everyone else so ready to abandon fractions ?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Strictly speaking, when giving measurements, fractions are not always the same as decimals. If I said something is 50.5 foot long that implies I could also measure it if it were 50.4 or 50.6 foot long. If I said it is 50 ½ foot long, that means I could only measure it to the nearest ½ foot. It’s the same with old athletics records, they would often use 1/5th of a second as the time could be measured only to that accuracy. If a time were recorded as 10.2 seconds rather than 10 1/5th seconds, the former implies it could be measured to nearest 0.1 seconds.