Q represents the set of all rational numbers, Zrepresents the set of all integers so Q excluding Z, represents all rationals that are not integers.
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equivalent fractions
The two fractions are both equivalent to each other.
1 Fractions are parts of whole numbers or integers2 Fractions have numerators placed above denominators3 Fractions have a solidus line that separates numerator from the denominator4 Fractions can be common as for example 3/45 Fractions can be improper or 'top heavy' as for example 22/76 Fractions can form part of a mixed number as for example 3 and 1/77 Fractions can be converted into percentages: 3/4 = 75%8 Fractions can be converted into decimals: 1/2 = 0.59 Fractions can be equivalent: 5/8 = 10/1610 Fractions need a common denominator when added or subtracted11 Fractions can easily be multiplied and divided12 Fractions are rational numbers13 Fractions can never ever be irrational numbers14 Fractions are turned into decimals by dividing numerator by denominator15 Fractions can be turned into improper fractions from mixed numbers16 Fractions are used in algebra and trigonometry17 Fractions are used when converting Centigrade to Fahrenheit18 Fractions are best eliminated before solving equations19 Fractions can be the solutions of quadratic equations20 Fractions can be changed into scientific notation: 1/5000 = 2.0*10-421 Fractions are in their lowest terms when their HCF is one22 Fractions were once used by the ancient Romans to a limited extent as for example the numeral of S represents 1/2QED
The other part is 1/12
The number 6.5 is written in numerical form as "6.5." This represents six whole units and five-tenths of a unit. In decimal notation, the digit before the decimal point indicates whole numbers, while the digit after represents fractions of ten.