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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 brief compendium of arithmetic

Benjamin Snowden - 1835
...ofTVF. Reduce i of i| of 9. F. Problem 10. — To reduce fractions to a common denominator. RULE. — Multiply each numerator into all the denominators...the denominators together for a common denominator. Reduce 1 1, -J- and % to a common denominator. 4 x 9 x 8 = 288 Ï 7x5x8 = 2fcO > New numerators. 3...

## Rose's New Arithmetic: An Explanatory and Practical Arithmetic, Adapted to ...

John Rose - 1835 - 180 σελίδες
...reduce fractions of different denominations to equivalent fractions having a common denominator. RULE. Multiply each numerator into all the denominators,...own, for a new numerator, and all the denominators into each other continually, for a common denominator. EXAMPLES. 1. Reduce J, f, and f, to equivalent...

## The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 σελίδες
...different denominations may be reduced to a common denominator, by multiplying each numerator unto all the denominators except its own, for a new numerator...the denominators together, for a common denominator. To reduce an improper fraction to a mixed quantity, divide the numerator by the denominator. Fractions...

A. Turnbull - 1836 - 335 σελίδες
...fractions for addition and substraction. 323. The rule given in most Arithmetics is to multiply the numerator into all the denominators, except its own, for a new numerator, and all the denominators into themselves for a new denominator, and then to reduce the new fraction to its least terms. This...

## Daboll's Schoolmaster's Assistant: Improved and Enl. ...

Nathan Daboll - 1837 - 240 σελίδες
...equivalent fractions 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 denomif nators into each other continually for a common denominator ; this written under the several...

## The Private Instructor, Or Mathematics Simplified: Comprising Every Thing ...

Jason M. Mahan - 1839 - 304 σελίδες
...ff of jf^. to a aingb fraction. J-. CASE VI. t To reduce fractions to a common. denominator. RULE. Multiply each numerator into all the denominators,...own, for a new numerator; and all the denominators for a comman denominator. Examples. 1. Reduce \, |, \$ and -*- to equivalent fractions, having a common...

## The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1839 - 305 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 |, |, I and &. / Ans. ||, \$, |f, ?§. 3. Reduce...

## The North American Arithmetic: For Advanced Scholars. part third, Μέρος 3

Frederick Emerson - 1839 - 288 σελίδες
...have d.fferent 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....

## The Elements of Algebra

Thomas Grainger HALL - 1840
..., 16x _ ^x_ _4л; íllu ~ ~' 33. To reduce fractions having different denominators to others having a common denominator, "Multiply each numerator into all the denominators except its own, for new numerators, and all die denominators together for a new denominator." The principle of the rule...

## A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - 1840 - 311 σελίδες
...HAVING A COMMON DENOMINATOR. RULE. — Multiply all the denominators together for a new denominator, and each numerator into all the denominators except its own, for a new numerator to each fraction. The several numerators placed over the common denominator will give the required...