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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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## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1842 - 306 σελίδες
...the numbers are not all single fractions reduce them to fuch first, then multiply each numerator by all the denominators except its own, for a new numerator ; and all the denominators together for a new denominator. 6. Reduce f , f , and 4 to a com. denominator. 105. 2x6x7= 84. 5x3x7 = 105. Then£=iff....

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1843 - 306 σελίδες
...the numbers are not all single fractions reduce them to such first, then multiply each numerator by all the denominators except its own, for a new numerator; and all the denominators together for a new denominator. 6. Reduce f, f, and 4 to a com. denominator. A 84 . 105 . •"•. TTff) TUB" . 105...

## Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - 1843 - 240 σελίδες
...a whole 1. Hence the common denominator is 12, and j oi' 12 is --1.,-. and £ of 12 is -fa. RULE I. Multiply each numerator into all the denominators except its own, for a new numerator ; then multiply all the denominators together for a common denominator, and place it under each new...

## Introduction to The National Arithmetic: On the Inductive System; Combining ...

Benjamin Greenleaf - 1844 - 184 σελίδες
...the respective numerators of the fractions, and their products will be the numerators required. Or, multiply each numerator into all the denominators...own for a new numerator ; and all the denominators into each other for a common denominator. 2. Reduce J and £ to a common denominator. Ans. A, iJ. 3....

## Elementary and practical Arithmetic on the inductive system, by analysis and ...

Charles WATERHOUSE - 1844 - 12 σελίδες
...by rule 4. 5. Reduce | , I, £, ', 4, by rule 4. Explanation. — Here each numerator is multiplied into all the denominators, except its own, for a new numerator, and all the denominators into each other continually, for a common denominator, which ii but another method of the preceding....

## Greenleaf's Introductory Arithmetic

Benjamin Greenleaf - 1845 - 196 σελίδες
...the respective numerators of the fractions, and their products will be the numerators required. Or, multiply each numerator into all the denominators...own for a new numerator ; and all the denominators into each other for a common denominator. it. Reduce f and |- to a common denominator. Ans. ^j, -JJ....

## Watson's Tutor's assistant; or, Complete school arithmetic

William Watson (of Beverley.) - 1845 - 180 σελίδες
...To reduce fractions to a common denominator.* RULE. — Multiply each numerator separately, into att the denominators except its own for a new numerator,...the denominators together for a common denominator. EXAMPLE. 1. Reduce J, J, and |- to equivalent fractious, having a common denominator. 2X4X5 = 40^ 3X3X5...

## Smith and Duke's The American Statistical Arithmetic: Designed for Academies ...

Francis Henney Smith - 1845 - 282 σελίδες
...the whole or mixed numbers to equivalent proper or improper fractions. II. Multiply each numerator by all the denominators except its own for a new numerator, and all the denominators together for a new denominator. EXAMPLES. 1. Reduce £, |, -| to fractions having the same or a com mon denominator....

## The American Statistical Arithmetic: Designed for Academies and Schools

Francis Henney Smith - 1845 - 276 σελίδες
...the whole or mixed numbers to equivalent proper or improper fractions. II. Multiply each numerator by all the denominators except its own for a new numerator, and all the denominators together for a new denominator. EXAMPLES. 1. Reduce J, f, -f to fractions having the same or a com mon denominator....

## A New Practical and Theoretical Arithemtic: In Which, in Addition to the ...

Horatio Nelson Robinson - 1845 - 288 σελίδες
...this principle, we may understand the following rule, which is universal in its application : RULE. Multiply each numerator into all the denominators except its own, for a new numerator. Then multiply all the denominators together far a new denominator, and place it under each new numerator....