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" Multiply the numerators together for the numerator of the product, and the denominators together for the denominator of the product. "
An Academic Arithmetic for Academies, High and Commercial Schools - Page 57
by Webster Wells - 1893 - 339 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...
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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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Conversations on Arithmetic, with Demonstrations to Each Rule

Leonard Pierce - Arithmetic - 1823 - 170 pages
...having divided -f by 5 you must multiply the result by 4, viz. multiply the numerator, 3 by 4. Hence the following rule for multiplying one fraction by another. Multiply the numerators together for a numerator, and the denominators together for a denominator. Multiply 4 by -*-. Ans. if. Multiply...
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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 ....
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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'...
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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 of the product ; and the denominators together for the denominator of the product. 1. Multiply \, §, f, and f together. 1 X 2 X 3 X 4 =...
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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 of the product, and the denominators together for the denominator of the product. Observe 1. To use this rule, mixed numbers and whole numbers...
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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 of the product ; and the denominators together, for the denominator ol-the product, which will give the answer. ri »iitu 3 times 4 are 12...
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Elements of algebra, by A. Ingram and J. Trotter

Alexander Ingram - 1844 - 262 pages
...— -. o* — 62 o' — 6' 12. 2* + and a;_£^ a 3c Sum 3Z+cJ-ffi, Diff. 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 work as in multiplication. 1. Multiply...
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Elements of Arithmetic and Algebra: For the Use of the Royal Military College

William Scott - Algebra - 1844 - 568 pages
...fractional expressions is obtained by multiplying together the numerators of the fractional factors for the numerator of the product, and the denominators for its denominator. It is evident that the factors may be multiplied together in any order (Art. 71), and the simple factors...
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