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Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Arithmetic made easy - Σελίδα 114
των A. Turnbull - 1836 - 335 σελίδες
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The Popular Educator, Τόμοι 1-2;Τόμος 12

1867
...often conveniently bo made to have the same denominator by the following method : — Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator. The reason of this will be clearly seen from an EXAMPLE, — Reduce...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1808 - 480 σελίδες
...of different denominators to equivalent fraStom, having a common denominator. RULE I*. Multiply each numerator into all the denominators except its own,...for a new numerator, and all the denominators into each other, continually, for a common denominator. EXAMPLES. 1. Reduce \$, % and | to equivalent fractions,...

The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - 1808 - 172 σελίδες
...fraction.— . V. To reduce given fractions to others of a common denominator. RULE.— Multiply each numerator into all the denominators except its own, for a new numerator, and all the denominators together for a common denominator. EXAMPLES. 17. Reduce |, £ and £ to a common denominator. .3X5xr_104x4xT=,...

Mathematics, Τόμος 1

Samuel Webber - 1808
...different denominators to equivalent fractions, having a common denominator. RULE 1.* Multiply each numerator into all the denominators, except its own, for a new numerator ; and all the denominators continually for the common denominator. EXAMPLES. . 1. Reduce £, |, and 4 to equivalent fractions,...

A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - 1812 - 258 σελίδες
...different denominators to others of equal value, having a common denominator. RULE. (1). Multiply each numerator into all the denominators, except its own, for a new numerator, and all the denominators for a common denominator. Reduce |, -£, 3|, and 3> to a common denominator. Operation, A, \$, y , -3r....

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1814 - 303 σελίδες
...146. Fractions of different denominators may be reduced to a, common denominator, by multiplying each numerator into all the denominators except its own, for a new numerator ; and. all the denominators together, for a common denominator. acm Ex. 1. Reduce -r-, and *-j, and — to a common denominator....

Easy Introduction to Mathematics, Τόμος 1

Charles Butler - 1814
...different denominators to equivalent fractions, having a common denominator. RULE I. Multiply each numerator into all the denominators except its own for a new numerator. II. Multiply all the denominators continually together for a common denominator. III. Place each new...

Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ...

Nathan Daboll - 1815 - 240 σελίδες
...fractions having a common denominator. RULE I. T. Reduce all fractions to simple terms. 2. Multiply each numerator into all the denominators except its own, for a new numerator : and all the denomi' nators into each other continually for a common denominator; this written under the several...

Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1817 - 240 σελίδες
...equivalenl1fractions having a common denominator. RULE I. 1. Reduce all fractions to simple terms. . 2. Multiply each numerator into all the denominators except its own,...for a new numerator : and all the denominators into each other continually for a common denominator; this written under the several new numerators will...

Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1818 - 240 σελίδες
...fractious having a common denominator. RULE I. I . Reduce all fractions to simple terms. 2. Multiply each numerator into all the denominators except its own,...for a new numerator ; and all the denominators into each other continually for a common denom* inator ; this written under the several new numerators^...