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" Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator. "
A New and Easy Introduction to the Mathematics: Containing. A system of ... - Página 235
por Ira Wanzer - 1831 - 396 páginas
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A New Practical and Theoretical Arithemtic: In Which, in Addition to the ...

Horatio Nelson Robinson - 1845 - 288 páginas
...is obviously 3^ — and from this we may draw a rule to reduce mixed numbers to improper fractions. RULE. Multiply the whole number by the denominator of the fraction, and add in the numerator for a new numerator, and set the denominator under it. EXAMPLES. 1. Reduce 4J to an...
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Watson's Tutor's assistant; or, Complete school arithmetic

William WATSON (of Beverley.) - 1845 - 12 páginas
...Ans. 7. Reduce T^3T6 to its proper terms. Ans. . To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of the fraction, and to the product add the numerator ; under which place the denominator. EXAMPLE. 1. Reduce 5\ to an improper...
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The Columbian Calculator; Being a Practical and Concise System of Decimal ...

Almon Ticknor - 1846 - 264 páginas
...equivalent, or mixed number. 127T4-j. To reduce a mixed number to its equivalent improper fraction. RULE ill. Multiply the whole number by the denominator of the fraction, and add the numerator of the fraction to the product, under which subjoin the denominator, and it will form the fraction...
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The lady's practical arithmetician; or, Conversational arithmetic. [With] Key

mrs. Henry Ayres - 1846
...terms. 13. Reduce 6 to its lowest terms. CASE III. — To reduce a mixed number to an improper fraction. Rule. — Multiply the whole number by the denominator of the fraction and add in the numerator, and beneath this sum place the denominator, and you will have the fraction required....
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Euclid's Elements of geometry, the first three books (the fourth, fifth, and ...

Euclides - 1846
...8ths are in the whole number, thus, OO I fi 4 X 8 -(- 5 = J- — the improper fraction 8 required. RULE. Multiply the whole number by the denominator of the fraction, and connect the numerator by the proper sign, placing the denominator under all. 2* — 3 2. cc 3. 5a -...
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The United States Arithmetic: Designed for Academies and Schools

William Vogdes - 1847 - 256 páginas
...How do you divide a fraction by a fraction? §87'. CASE 2. To divide a whole number by a fraction. RULE. Multiply the whole number by the denominator of the fraction, and divide by its numerator. EXAMPLES. 1 Divide 48 by f. 48 _9 8)432 DIVISION OF FRACTIONS. 2. 54— f...
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Mathematics for practical men

Olinthus Gilbert Gregory - 1848 - 80 páginas
...having ant/ assigned denominator. Rule. — This is, evidently, the reverse of Case II.; therefore multiply the whole number by the denominator of the fraction, and add the numerator to obtain the numerator of the fraction required. Ex. — Reduce 22-J ^ to an improper fraction, and 20...
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The American Equater: Or, Arithmetic Simplified in which Equations are Used ...

Conley Plotts - 1848 - 264 páginas
...15 To reduce mixed numbers to improper fractions, we have the following RULE. Multiply the integer by the denominator of the fraction, and add the numerator to the product; this sum placed over the denominator will be the improper fraction required ; as, 54=^, ie, (5X 8)...
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Scribner's Engineers' and Mechanics' Companion: Comprising United States ...

J. M. Scribner - 1849 - 264 páginas
...whose denominator shall be 1 1. 7x11 =ff- Answer. To reduce a Mixed Number to an Improper fraction. Rule. — Multiply the whole number by the denominator of the fraction ; and to the product add the numerator, and place the sum above the denominator. Example. — Reduce 17?...
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Daboll's Complete Schoolmaster's Assistant: Being a Plain Comprehensive ...

Nathan Daboll, David Austin Daboll - 1849 - 249 páginas
...pound, what will 11lb. raisins •come to ? Ans. $$ PROBLEM VI. To divide a Whole Number by a Fraction. RULE. Multiply the whole number by the denominator of- the fraction, and divide the product by the numerator. EXAMPLES. 1. How many times is & of a dollar contained in $9 T...
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