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" Multiply together the numerators for a new numerator, and the denominators for a new denominator. "
Adams's New Arithmetic - Page 114
by Daniel Adams - 1830 - 264 pages
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The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - Arithmetic - 1866 - 200 pages
...12 of the product, and thus we have T62=2 for the required product Hence we have the following RULE. Multiply together the numerators for a new numerator, and the denominators for a new denominator, and reduce the result to its lowest terms. EXAMPLES FOR PRACTICE. 6. Multiply I by f . Ans. " 7. Multiply...
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Algebra for the Use of Colleges and Schools: With Numerous Examples

Isaac Todhunter - Algebra - 1866 - 576 pages
...b)1 (a + b)' — (a — b)3 141. The rule for the multiplication of two fractions is, multiply tibe numerators for a new numerator, and the denominators for a new denominator. The following is usually given for a proof. Let r- and - be О Cl two fractions which are to be multiplied...
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Arithmetic simplified, a suppl. to Elements of physics

Neil Arnott - 1867 - 84 pages
...them as with respect to common fractions. For multiplication of common fractions, the rule given is to multiply together the numerators for a new numerator, and the denominators for a new denominator ( see 43). This may be done in decimals by so multiplying together the visible numerators for a...
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Practical Arithmetic, by Induction and Analysis

Joseph Ray - Arithmetic - 1857 - 360 pages
...is the product of f by | ? . . *3. The product of -| by f ? . . . . Ans. jj. Rule for Case III.— Multiply together the numerators for a new numerator, and the denominators for a new denominator. REM. — Multiplying a fraction by a fraction, ii the same as reducing a compound to a simple fraction....
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Help to Arithmetic ...

Howard Candler - 1868 - 130 pages
...state and discuss a definition. DEF. We are said to multiply two fractions together if we multiply the numerators for a new numerator, and the denominators for a new denominator. This seems at first sight a very arbitrary definition. Any one has a right to ask, Whence did such...
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The Progressive Practical Arithmetic: Containing the Theory of Numbers, in ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1868 - 390 pages
...general ECLE. I. Reduce all integer* and mixed numbers to improper fractions. II. Multiply toyether the numerators for a new numerator, and the denominators for a new denominator. XOTE. Cancel all factors common to numerators and denominators EXAMPLES FOE PRACTICE. 2. Multiply f...
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Algebra for the Use of Colleges and Schools: With Numerous Examples

Isaac Todhunter - Algebra - 1870 - 626 pages
...a'-b* V_ 4ab . ' '• a'-J"- ~?^P' 141. The rule for the multiplication of two fractions is, multiply the numerators for a new numerator, and the denominators for a new denominator. The following is usually given for a proof. Let т and ^ bo two fractions which are to be multiplied...
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Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1858 - 378 pages
...fractions, we have this general RULE. I. Reduce all integers and mixed numbers to improper fractions. II. Multiply together the numerators for a new numerator,...and the denominators for a new denominator. NOTE. Cancel all factors common to numerators and denominators. EXAMPLES FOR PRACTICE. 2. Multiply J by $....
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Fifty Steps in Measures, Multiples, Vulgar & Decimal Fractions

Henry DAMAN - Fractions - 1871 - 96 pages
...shilling, nr 3 v 3 — 6 or 3 x — "1 When then we multiply together, as here, two or more fractions, we multiply together the Numerators for a new Numerator, and the Denominators for a new Denominator. Mixed numbers must be first brought to Improper Fractions. Ex. 28.— Find the values of iofJ; i off;...
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Algebra for Beginners: With Numerous Examples

Isaac Todhunter - Algebra - 1872 - 356 pages
...MULTIPLICATION OF FRACTIONS. XVII. Multiplication of Fractions. 144. Rule for the multiplication of fractions. Multiply together the numerators for a new numerator, and • the denominators for a new denominator. 145. The following is the usual demonstration of the Rule Let - and -, be two fractions which are to...
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