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To reduce 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 together for a common denominator.
The Youth's Assistant in Theoretick and Practical Arithmetic - Σελίδα 55
των Zadock Thompson - 1826 - 164 σελίδες
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## A Treatise of Arithmetic: In Whole Numbers & Fractions. Wherein All the ...

Thomas Weston (Master of the Academy at Grenwich.) - 1729 - 430 σελίδες
...DENOMINATOR, and then managd after the fame Manner. Here we fee 'tis abfolutely neceflary, that we know how to reduce FRACTIONS of different DENOMINATORS, to equivalent FRACTIONS, having a common DENOMINATOR, which is done by Prop. III. of REDUCTION of Fraffions. 'Tis alfb requiiite to know how to reduce COMPOUND...

## A System of Practical Mathematics: ... With a Plain Account of the Gregorian ...

John Potter - 1753 - 395 σελίδες
...1008 to a Article 4. To reduce Cmple Fractions having different Denominators to Fractions of the fame Denominator. Rule. Multiply each Numerator into all the Denominators except its own ; thefe Products are the new Numerators for each Fraction whofe Numerator was fo multiplied : Then...

## A Practical Introduction to Arithmetic: Or, The Teacher of Arithmetic's ...

Charles Marshall - 1789 - 100 σελίδες
...&fr to its leaft Terms. : A. ||. Ru ¡.z. 2. , . ..... To reduce a Fraflion to a Conwwn Denominator, Multiply each Numerator, into all the Denominators except its own, for a mw Numerator ; and all the Denominators for a Common Denominator, Reduce |- and % to a Common Denominator....

## A Course of Mathematics ...: Designed for the Use of the Officers ..., Τόμος 1

Isaac Dalby - 1807
...and so or. Hence it appears that the word of in a compound fraction signifies multiplication. CASE 5. To reduce fractions of different denominators to equivalent fractions having a common denominator. 45. THB general rule for this purpose may be deri red thus. Let thr 25 1 fractions -, -, and — be...

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

Nicolas Pike - 1808 - 480 σελίδες
...reduce fraS'ums of different denominators to equivalent fraStom, having a common denominator. RULE I*. 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 \$, % and | to equivalent...

## Mathematics, Τόμος 1

Samuel Webber - 1808
...one, and that one and the third will be the same as the fraction of two numbers } and so on. CASE VI. To reduce fractions of 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...

## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1810 - 180 σελίδες
...denominator ; now, multiplying all the denominators together will evidently produce such a number. Hence, To reduce fractions of different denominators to equivalent...having" a common denominator, — RULE : Multiply together all the denominators for a common denominator, and, as by this process each denominator is...

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811
...| of \ of 4 to a simple fraction. Ans. 4. 7. Reduce 2 and | of | to a fraction. Ans. |. CASE VI. 2o Reduce Fractions of Different Denominators, to Equivalent Fractions having a Common Denominator. * MULTIPLY each numerator by all the denominators except its own, for the new numerators : and, multiply...

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

Jeremiah Joyce - 1812 - 258 σελίδες
...fractions of different denominators to others of equal value, having a common denominator. RULE. (1). Multiply each numerator into all the denominators,...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....