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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.
Elements of Algebra: Being an Abridgement of Day's Algebra Adapted to the ... - Σελίδα 58
των Jeremiah Day - 1844 - 252 σελίδες
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## A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - 1831 - 396 σελίδες
...fractions having different denominators, to equivalent fractions having a common denominator. RULE I. Multiply each numerator into all the denominators...own, for a new numerator ; and all the denominators continually together, for a common denominator : this written under the several new numerators will...

## A Short System of Practical Arithmetic: Compiled from the Best Authorities ...

William Kinne - 1831 - 240 σελίδες
...fractions of different denominators to equivalent fractions, having a common denominator. RULE.—Multiply each numerator into all the denominators except its...own, for a new numerator; and all the denominators continually for the common denominator; first reducing the fractions to their lowest terms, &c. NOTE.—By...

## The Juvenile Arithmetick, and Scholar's Guide: Illustrated with Familiar ...

Martin Ruter - 1831 - 179 σελίδες
...different denominations to others of the same value, and having a common denominator, RUL'E, . "... /.-., Multiply each numerator into all the denominators except its own, for a new numerator, and all th(5 denominators into each other for a common denominator.* +The least common denominator, or multiple-...

## The Arithmetical Manual

Samuel Read Hall - 1832 - 288 σελίδες
...different denominators to equivalent fractions having a common denominator, multiply each of the numerators into all the denominators except its own for a new...the denominators together for a common denominator. When the denominators of fractions are not prime to each other, there is a more simple way to obtain...

## A system of practical arithmetic, comprehending numerous rules and examples ...

...?£, 1H* 17f, to improper fractions. PROBLEM v. To reduce fractions to others of equal value, having a common Denominator. — Multiply each Numerator into all the Denominators except its own for the new Numerator, and all the Denominators together for the common Denominator. NOTE. Fractions may...

## The North American Arithmetic: Uniting Oral and Written Exercises, in ...

Frederick Emerson - 1833 - 191 σελίδες
...common denominator, before addition or subtraction can be performed on them. RULE FOR REDUCING FRACTIONS TO A COMMON DENOMINATOR. Multiply each numerator into all the denominators except its oton, for a new numerator. Then multiply all the denominators together for a common denominator, and...

## The Tutor's Assistant: Being a Compendium of Practical Arithmetic, for the ...

Francis Walkingame - 1833
...7, 8, 9, 10, 11, and 12 ? Ans. 27720. Case 10. To reduce fractions to a common denominator. RULE 1. Multiply each numerator into all the denominators, except its own, for a numerator ; and all the denominators for a.common denominator. Or, RULE 2. Find the least common multiple...

## The North American Arithmetic: Part Second, Uniting Oral and Written ...

Frederick Emerson - 1834 - 191 σελίδες
...common denominator, before addition or subtraction can be performed on them. RULE FOR REDUCING FRACTIONS TO A COMMON DENOMINATOR. Multiply each numerator into...denominators except its own, for a new numerator. Then multiply all the denominators together for a common denominator, and place it under each new numerator....

## The North American Arithmetic: for advanced scholars. Part third

Frederick Emerson - 1834 - 288 σελίδες
...have different denominators, to equivalent fractions, that shall have the same denominator. RULE 1st. Multiply each numerator into all the denominators except its own, for a new numerator. Then multiply all the denominators together for a new denominator, and place it under each new numerator....

## Taplin's improved edition of Walkingame's Tutor's assistant. To which is ...

Francis Walkingame - 1835
...Reduce ^|J to its lowest terms. (13) Reduce i-ffJJJ to its lowest terms. RULE IV. To reduce fractions to a common denominator. Multiply each numerator into...the denominators together for a common denominator. Or, When the less denominator of two fractions will divide the greater without a remainder : — Multiply...