| 词汇 | common-fraction |
| 释义 | common fraction noun[ C ] mathematics specializeduk /ˌkɒm.ən ˈfræk.ʃən/ us /ˌkɑː.mən ˈfræk.ʃən/ a fraction in which there is a horizontal line with one number above it and one number below it简分数，普通分数 Synonym vulgar fraction See also denominator numerator Fractions complex fraction compound fraction deci- denominator eighth eightieth fortieth fraction in mixed fraction ninth proper fraction seventeenth seventh seventieth sixteenth sixth sixtieth thirteenth thirtieth Common fractions may often be changed to decimals very readily, and the calculations thereby made much easier. For consistency, common fractions such as ½ have also been expanded. Examples of common fractioncommon fraction This demonstrates the dominating position of sexagesimal fractions over common fractions. Being an irrational number, can not be expressed exactly as a commonfraction, although fractions such as 22/7 and other rational numbers are commonly used to approximate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The common fractions are converted into 1 1 sexagesimal fractions, and the calculation is given as above. Now multiplication and division with common fractions are explained. What actually follows are rules for division of sexagesimal fractions (but see chapter 10.2); the division of common fractions is left until chapter 12. It is within 0.000009% of the value of, or in terms of common fractions overestimates by less than. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Whether common fractions or decimal fractions are used is often a matter of taste and context. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Common fractions are used most often when the denominator is relatively small. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Common fractions less than one tend to be used with singular expressions: "half (of) a loaf", "two-thirds of a mile". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each module includes the use of both common fractions and mixed numbers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some common fractions, however, were written with a special glyphthe equivalent of the modern two-thirds is shown on the right. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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