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" Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator. "
A treatise on mercantile and practical arithmetic - Σελίδα 113
των John Penrose (teacher of arithmetic.) - 1824 - 300 σελίδες
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Adams's Improved Arithmetic: Arithmetic, in which are Combined the Analytic ...

Daniel Adams - 1861 - 280 σελίδες
...X ~~ 14 Ans. ff? RULE. Reduce all the numbers to a fractional form and cancel common factors ; then multiply all the numerators together for a new numerator,...all the denominators together for a new denominator ; the product will be the answer, which if an improper fraction, reduce to its equivalent whole or...

Introduction to the National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - 1861 - 324 σελίδες
...factors, according to ^— gether are alike, we may cancel 3 the principles of cancellation. RULE. — Multiply all the numerators together for a new numerator, and all the denominators for a new denominator. NOTE 1. — All whole and mixed numbers in the compound fraction must be reduced...

Higher Arithmetic, Or, the Science and Application of Numbers: Combining the ...

James Bates Thomson - 1862 - 422 σελίδες
...numerators together and the two denominators. Hence, 1 98. To reduce compound fractions to simple ones. If Multiply all the numerators together, for a new numerator,...all the denominators together for a new denominator. OBS. 1. That a compound fraction may bg^xpfressed by a simple one, is evident from the fact that a...

Common School Algebra

Thomas Sherwin - 1862
...—. — . — = . 6 n y bny Hence we have the following RULE FOR MULTIPLYING FRACTIONS BY FRACTIONS. Multiply all the numerators together for a new numerator,...all the denominators together for a new denominator. Remark. As the resulting fractions should be simplified, it is best to represent the operation, then...

Higher Arithmetic, Or, the Science and Application of Numbers: Combining the ...

James Bates Thomson - 1862 - 422 σελίδες
...numerators together and the two denominators. Hence, 198. To reduce compound fractions to simple ones. Multiply all the numerators together for a new numerator,...all the denominators together for a new denominator. OBS. 1. That a compound fraction may be expressed by a simple one, is evident from the fact that a...

Mathematics for Practical Men: Being a Common-place Book of Principles ...

Olinthus Gregory - 1863
...'-Jf tne nrst fraction. 20 x 274 = 5480 new numerator, and 5j*T34° the second fraction. Case 4. — To reduce a compound fraction to an equivalent simple one. Multiply all the numerators together for the numerator, and all the denominators together for the denominator, of the simple fraction required....

A Treatise on Algebra

Elias Loomis - 1864 - 359 σελίδες
...7a-2b Ans. 2acx 355a;—6 Ans. PROBLEM VII. (89.) To multiply fractional quantities together, RULE. 168 Multiply all the numerators together for a new numerator....all the denominators together for a new denominator. First, let us multiply j- by c. According to Remark first of Art. 81 the product must be -j-. etc But...

An Elementary Arithmetic Serving as an Introduction to the Higher Arithmetic

George Roberts Perkins - 1865 - 347 σελίδες
...reducing compound fractions. Therefore, to multiply fractions, we have this RULE. Multiply all I he numerators together for a new numerator' and all the denominators together for a new denominator ; always observing to reject or cancel such factors as are common to both numerators and denominators....

A mathematical course for the University of London. (2nd)

Thomas Kimber - 1865 - 192 σελίδες
...and thus generally mn mn x ^ ~ x~y' 77. The rule, therefore, for the multiplication of fractions is : Multiply all the numerators together for a new numerator, and all the denominators for a new denominator. 78. Before investigating the rule for division by a fraction, we will first...

First book of arithmetic for the use of schools. [With] Key. High-school ed ...

Ireland commissioners of nat. educ - 1865
...12 10 14 j- щ + 7? , d. (35) cwí. qrs. Ibs. 8 2 21f 7 3 25f MULTIPLICATION OF FRACTIONS. RULE. — Multiply all the numerators together for a new numerator, and all the reduced denominators together for a new denominator. Noms. — Before applying the rule, reduce all...




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