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" To multiply a fraction by a fraction, multiply the numerators together for the numerator of the product, and the denominators together for the denominator of the product. "
The Elements of Algebra - Page 183
by George W. Lilley - 1892 - 402 pages
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A Course of Mathematics ...: Designed for the Use of the Officers ..., Volume 2

Isaac Dalby - Mathematics - 1806 - 526 pages
...fraction denoting the a — ba — ba — o difference. To Multiply fractional quantities together. 67. MULTIPLY the numerators together for the numerator of the product, and the denominators together for its denominator, as in Vulgar Fractions. Examples. 1; Required the product of -., -, and - ? axdxm...
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A Course of Mathematics: Designed for the Use of the Officers ..., Volumes 1-2

Isaac Dalby - Mathematics - 1807 - 968 pages
...denominator Then a — » a — I a— difference. To Multiply fractional quantities together. 67. MULTIPLY the numerators together for the numerator of the product, and the denominator! together for iu dcnomint* tor, as in Vulgar Fractions. Example!. * t* I; Kequired the...
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A Course of Mathematics: Designed for the Use of the Officers and ..., Volume 2

Isaac Dalby - Mathematics - 1813 - 538 pages
...denominator is the fraction denotins lhe difference. To Multiply fractional quantities together. 67. MULTIPLY the numerators together for the numerator of the product, and the denominators together Tor its denominator, as in Vulgar Fractions. Examples. 1. Bequired the product of ^, -, and — f "^LlXJ?...
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A Concise System of Mathematics ...

Alexander Ingram - Mathematics - 1830 - 458 pages
...— I , 3x , 2x — 2a 12. 2a;-^ and a; . a 3c -, and Diff. x + '• 3ac MULTIPLICATION AND DIVISION. MULTIPLY the numerators together for the numerator of the product, and the denominators together for its denominator. In division, invert the divisor and multiply as before. .. . . , 2x . Sx . &x* 1....
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - Arithmetic - 1830 - 304 pages
...two denominators together. Hence, the rule, MULTIPLY THE NUMERATORS TOGETHER, FOR THE NUMERATOR or THE PRODUCT, AND THE DENOMINATORS TOGETHER, FOR THE DENOMINATOR OF THE PRODUCT. If mixed numbers occur in the multiplier or multiplicand, it is best, when the integral parts are small,...
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - Arithmetic - 1830 - 308 pages
...two denominators .together. Hence, the rule, MULTIPLY THE NUMERATORS TOGETHER, FOR THE NUMERATOR or THE PRODUCT, AND THE DENOMINATORS TOGETHER, FOR THE DENOMINATOR OF THE PRODUCT. If mixed numbers occur in the multiplier or multiplicand, it is best, when ths integral parts are small,...
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The Arithmetical Manual

Samuel Read Hall - Arithmetic - 1832 - 294 pages
...of ^ = J ; and § X f, or § of jf = -fz = J. In these cases the result is produced by multiplying the numerators together for the numerator of the product,...and the denominators together for the denominator, according to the rule for reducing compound to simple fractions. From' the preceding illustrations...
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Geometry: Applied to the Mensuration of Lines, Surfaces, Solids, Heights and ...

B[enjamin] Franklin Callender - Measurement - 1836 - 226 pages
...12? ANS. 1TV• SECTION IV. Multiplication of FractionS. To multiply two or more fractions together. Multiply the numerators together for the numerator...denominators together for the denominator of the product. 1. Multiply \, §, f, and f together. 1 X 2 X 3 X 4 = 24 the numerator. 2 X 3 X 4 X 5 B= 120 the denominator....
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A Complete System of Commercial Arithmetic, Its Application to the Principal ...

William Tate - 1837 - 358 pages
...difference between the denominators, and the denominator is their product. FRACTIONAL MULTIPLICATION. Rule. Multiply the numerators together for the numerator...denominators together for the denominator of the product. Observe 1. To use this rule, mixed numbers and whole numbers should be reduced or expressed as improper...
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The Common School Arithmetic ...: To which is Added a Dictionary of ...

Peirpont Edward Bates Botham - Arithmetic - 1837 - 252 pages
...number ; by a part or the parts of an integer. 1. To multiply a fraction by a fraction. RULE : — Multiply the numerators together, for the numerator...and the denominators together, for the denominator ol-the product, which will give the answer. ri »iitu 3 times 4 are 12 •.. ( .., . Ex. Mult, i by...
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