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" 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 give the fractions required. "
A New and Complete System of Arithmetick: Composed for the Use of the ... - Page 61
by Nicolas Pike - 1809 - 300 pages
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An Elementary Arithmetic ...: Serving as an Introduction to the Higher ...

George Roberts Perkins - Arithmetic - 1846 - 266 pages
...improper fractions, .and compound fractions to their simplest form. Then multiply each numerator by all the denominators except its own, for a new numerator, and all the denominators together for a common denominator. Repent this Rule. • It is obvious that this process will give...
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Euclid's Elements of geometry, the first three books (the fourth, fifth, and ...

Euclides - 1846 - 272 pages
...Arithmetic. i. 2ay~ b = 2 — — ay ay = lOv + 3a a2 To reduce fractions to a common denominator. RULE. Multiply each numerator into all the denominators except its own, for a new numerator of each fraction ; and all the denominators into each other, for a new denominator, which will be common...
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North American Arithmetic: Part Second and Part Third, Part 2

Frederick Emerson - Arithmetic - 1846 - 266 pages
...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 own, for a new numerator. Then multiply all the denominators together for a common denominator, and place it under each new numerator....
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An Elementary Treatise on Algebra: Theoretical and Practical ...

Horatio Nelson Robinson - Algebra - 1846 - 276 pages
...difference, as different denominations cannot be put into one sum. RULE. Multiply each numerator by all the denominators, except its own, for a new numerator, and all the denominators for a common denominator. Or, find the least common multiple of the given denominators for a common...
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Vulgar and decimal fractions. By Jacob Abbott

Jacob Abbott - Arithmetic - 1847 - 218 pages
...class that this process is the one described in many books on Arithmetic by the following rule, viz.: Multiply each numerator into all the denominators...own for a new numerator, and all the denominators together for a common denominator. It is perhaps better, however, to have the operation presented more...
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Higher Arithmetic: Or, The Science and Application of Numbers; Combining the ...

James Bates Thomson - Arithmetic - 1847 - 426 pages
...fractions, viz: -rV=i, and -ft=i. (Art. 191.) Hence, 2OO. To reduce fractions to a common denominator. Multiply each numerator into all the denominators except its own for a new numerator, and all tte denominators together for a common denominator. 02. Reduce -£, $, and f to a common denominator....
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An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1847 - 358 pages
...reduced to the lowest terms. For the method of finding i.he greatest common measure, see Sec. xvi. NUMERATOR INTO ALL THE DENOMINATORS EXCEPT ITS OWN, FOR A NEW NUMERATOR ; AND ALL THE DENOMINATORS TOGETHER, FOR A COMMON DENOMINATOR. Ex. 1. Reduce — , and -, and— to a common denominator. bdy...
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Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

Jeremiah Day, James Bates Thomson - Algebra - 1848 - 264 pages
...measure, see Art. 195, a. 118. To reduce fractions of different denominators to a common denominator. Multiply each numerator into all the denominators...own for a new numerator ; and all the denominators together, for a common denominator. 8. Reduce r, and -:, and — to a common denominator. b if y axdx...
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Higher Arithmetic; Or, The Science and Application of Numbers: Combining the ...

James Bates Thomson - Arithmetic - 1848 - 434 pages
...fractions, viz : -fa=\, and -ft=i. (Art. 191.) Hence, 3OO. To reduce fractions to a common denominator. Multiply each numerator into all the denominators...own for a new numerator, and all the denominators toe/ether for a common denominator. 62. Reduce -J-, f, and £ to a common denominator. Operation. 1X4X6=24...
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Higher Arithmetic, Or, The Science and Application of Numbers: Combining the ...

James Bates Thomson - Arithmetic - 1848 - 432 pages
...fractions, viz: -rV=i, and -ft=-J-. (Art. 191.) Hence, 2OO. To reduce fractions to a common denominator. Multiply each numerator into all the denominators...own for a new numerator, and all the denominators together for a common denominator. 62. Reduce -J-, -J, and f to a common denominator. 3 X 3 X 6=54...
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