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" Multiply all the numerators together for a new numerator, and all the denominators for a new denominator; and they will form the fraction required. "
A New and Complete System of Arithmetick: Composed for the Use of the ... - Page 60
by Nicolas Pike - 1809 - 300 pages
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Rose's New Arithmetic: An Explanatory and Practical Arithmetic, Adapted to ...

John Rose - Arithmetic - 1835 - 192 pages
...Then state the question as in whole numbers ; invert the first term, and multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and divide the upper term by the lower for the answer. 122 SINGLE RULE OF THREE IN VULGAR FRACTIONS. EXAMPLES....
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The Teachers' Assistant: Or a System of Practical Arithmetic

Stephen Pike - Arithmetic - 1835 - 210 pages
...Result 2fi. h. CA.SS 5. To reduce a compound ftr.etion to a single one. RULE. Multiply the numerators together for a new numerator, and all the denominators for a new denominator. Note. — Like figures in the numerators and denominators may be cancelled. and frequently others contracted,...
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The New System of Practical Arithmetic: Whereby Most of the Various Problems ...

Charles Potts - Arithmetic - 1835 - 202 pages
...13. Ans. LJj8. CASE 6; To reduce a compound fraction to a simple one. RULE. Multiply the numerators together for a new numerator, and all the denominators for a new denominator. NOTE. — If it be required to have the simple fraction in its lowest terms, consider the numerators...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - Arithmetic - 1837 - 266 pages
...called compound fractions. They are reduced to simple fractions, by multiplying all the numerators together for a new numerator, and all the denominators for a new denominator. By cancelling, the process of multip.'y'ng and reducing the fraction, is performed at once. 2. Reduce...
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Mental Arithmetic Simplified

T. Pigott - Mental arithmetic - 1838 - 68 pages
...12 by$; 1Sbyf; 15byf; 26 To multiply a fraction by a fraction — ROLE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator ; as JX f — таг ('9) = £. Ans. Multiply | by i ; | by i ; Л by i; | by ¿ ; т'„ by f ; Л...
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The Mercantile Arithmetic: Adapted to the Commerece of the United States, in ...

Michael Walsh - Arithmetic - 1838 - 346 pages
...if, ff , f±. VI. To reduce a compound fraction to a single one. RULE. Multiply all the numerators for a new numerator, and all the denominators for a new denominator, then reduce the new fraction to its lowest terms by Case I. • EXAMPLES. 1. Reduce f of f of ^l. to...
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The North American Arithmetic: Part Third, for Advanced Scholars

Frederick Emerson - Arithmetic - 1839 - 300 pages
...reduce a compound fraction to a simple, or single fraction. RULE. Multiply all the numerators t ogctker for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lotffst terms. When any numerator is equal to any denominator,...
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A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - Arithmetic - 1840 - 316 pages
...CASE 4th. — To REDUCE COMPOUND FRACTIONS TO SIMPLE ONES. RULE 1st. — Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and reduce the new fraction to its lowest terms, by Case 1st. Ex.1. Reduce f of | of £ to a simple fraction....
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Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - Arithmetic - 1843 - 254 pages
...such parts to make a whole one ; therefore ^ of j is -jlj, Answer. RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and they will form the fraction required, which reduce to its lowest terms. EXAMPLES. 1. How much is £ of f ?— Thus, f...
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The practical arithmetic

John Darby (teacher of mathematics.) - 1843 - 236 pages
...a compound fraction to a single one. RULE. — Multiply all the numerators in the compound fraction together for a new numerator, and all the denominators for a new denominator, which will be the single fraction required — reduce this to its lowest terms. Or if two or more factors...
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