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" ... multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common denominator. "
A Complete System of Practical Arithmetic, with Various Branches in the ... - Page 180
by William Taylor (teacher of the mathematics.) - 1800 - 519 pages
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1810 - 190 pages
...process each denominator is multiplied by all the others, so, to retain the value of each fraction, multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common denominator. EXAMPLES FOR PRACTICE. 1 . Reduce J, | and 5 to fractions...
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A Complete System of Theoretical and Mercantile Arithmetic: Comprehending a ...

George G. Carey - Arithmetic - 1818 - 602 pages
...a ditto. CASE VII. To reduce fractions of different denominator* to equivalent fractions, having a common denominator. RULE. Multiply each numerator by all the denominators, except its own, for the new numerators; and multiply all the denominators together for a common denominator. EXAMPLE. t...
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - Mathematics - 1823 - 666 pages
...answer* as required. 4. To reduce fractions, having different denominators, to a common denominator. Multiply each numerator by all the denominators, except its own, for a new numerator ; and all the denominators together lor the common denominator; or Hind the least com* mon multiple...
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1828 - 286 pages
...process each denominator is multiplied by all the others, so, to retain the value of each fraction, multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common denominator. EXAMPLES FOR PRACTICE. 1. Reduce •f, £ and £ to fractions...
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A Synopsis of the Principal Formulae and Results of Pure Mathematics

Charles Brooke - Mathematics - 1829 - 386 pages
...numerator and denominator by their greatest common divisor. To reduce fractions to a common denominator: multiply each numerator by all the denominators except its own, for a new numerator ; and all the denominators together, for a new denominator. (И^. 96.) If the least common denominator...
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Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1831 - 276 pages
...process each denominator is multiplied by all the others, so, to retain the value of each fraction, multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common denominator. EXAMPLES FOR PRACTICE. 1. Reduce f , f and f to fractions...
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Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1833 - 268 pages
...process each denominator is multiplied by all the others, so, to retain the value of each fraction, multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common, denominator. feXAMPLES FOR PRACTICE. 1. Reduce {|, £ and £ to fractions...
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The American Student's Guide: Containing a Compendious System of Theoretical ...

George Alfred - Arithmetic - 1834 - 336 pages
...reduce fractions which have different denominators to others, retaining the same value, that shall have one common denominator. RULE. Multiply each numerator by all the denominators but its own, for its respective new numerator ; then multiply all the denominators together for a common...
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The North American Arithmetic: Part Third, for Advanced Scholars

Frederick Emerson - Arithmetic - 1835 - 300 pages
...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. RULE 2nd. Find the least common multiple...
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The New System of Practical Arithmetic: Whereby Most of the Various Problems ...

Charles Potts - Arithmetic - 1835 - 202 pages
...Ans. -f^. CASE 7. To reduce fractions with different denominators, to others of equal value having a common denominator. RULE. Multiply each numerator by all the denominators except its own, for the new numerator; and all the denominators together for a common denominator. NOTE. — When any of...
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