You are right. There is nothing wrong about fractions, or about learning them. It is only the way they are often used in outdated garbage like ifp or until very recently on the American stock exchanges.
Han ----- Original Message ----- From: "M R" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Wednesday, 2003-01-15 3:05 Subject: [USMA:24462] Re: Fractions > There are some areas in maths where fractions are > useful > for example * its better to express pi as 22/7 instead of 3.14, since 22/7 is more precise * volume of pyramid = 1/3 * base-area * height, if we use 0.33, then we may not get the correct volume. > > But in our daily usage, the decimals with %age is much > easier for example * US population is 5 % of the World population, but it will be difficult to say 1/20. * Truck sales as %age of overall vehicle sales in USA is 55 %, in fraction, it may be 5/9 and this will be weird. > Its always easier to work with single number like 22 %, 57 %, etc instead of some weird fractions like 2/7, 5/9, etc. > > May be if some people find 100 is a big #, then we can > encourage them to use per ten and express things like 2 / 10, 5 / 10. In this case we have to round #s like 25 % to 2 / 10 and 47 % to 5 / 10. > > So we have to take the fraction using people to per 10 > first and then percentage. > Madan >snip
