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The original fraction could have also been reduced in a single step by using the greatest common divisor of 90 and 120, which is 30. As 120 ÷ 30 = 4, and 90 ÷ 30 = 3, one gets = Which method is faster "by hand" depends on the fraction and the ease with which common factors are spotted.
The proof system in the United States was established around 1848 and was based on percent alcohol rather than specific gravity. Fifty percent alcohol by volume was defined as 100 proof. [4] This is different from 50% volume fraction (expressed as a percentage); the latter does not take into account change in volume on mixing, whereas the ...
An example of a fraction that cannot be represented by a decimal expression (with a finite number of digits) is 1 / 3 , 3 not being a power of 10. More generally, a decimal with n digits after the separator (a point or comma) represents the fraction with denominator 10 n, whose numerator is the integer obtained by removing the separator.
Steam locomotive running round its train on the Beer Heights Light Railway, Devon, England The Moors Valley Railway, Dorset, England. A 7 + 1 ⁄ 4-inch gauge railway is a miniature railway that uses the gauge of 7 + 1 ⁄ 4 in (184 mm).
Owing to the Pythagorean theorem, the diagonal dividing one half of a square equals the radius of a circle whose outermost point is the corner of a golden rectangle added to the square. [1]