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Βιβλία Βιβλία 131 - 140 από 177 για Reduce compound fractions to simple ones, and mixt numbers to improper fractions....
" Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator. "
The New Federal Calculator, Or, Scholar's Assistant: Containing the Most ... - Σελίδα 134
των Thomas Tucker Smiley - 1825 - 180 σελίδες
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Algebra for Beginners

William Dodds - 1884 - 40 σελίδες
...Ь« <2a-3Ь 5а + 2Ь) f3a-26 , 2a-ЗЬ> /a , a """' Multiplication of Fractions. 72. RULE 1°. — Multiply the numerators together for a new numerator, and the denominators for a new denominator. 2°. Reduce the result to its lowest terms. Ex.1. Multiply -+1 by Í-1. Ex.2. Multiply [When the samo...

The Practical Teacher, Τόμος 8

1886
...one-third by c, etc. Now let him multiply one-half by one-fourth with these symbols, by multiplying "the numerators together for a new numerator, and the denominators for a new denominator"; or let him divide one-half by onethird with these symbols, by inverting the divisor and proceeding...

Normal Gazette, Τόμος 4

1891
...effect? In teaching multiplication of fractions has the teacher done his duty when he tells the pupil to "multiply the numerators together for a new numerator, and the denominators for a new denominator? Or in division to "invert the divisor (turn it upside down,) and proceed as in multiplication?" What...

The Academic Algebra

William Frothingham Bradbury, Grenville C. Emery - 1889 - 414 σελίδες
...and m general I т I == т; Hence, for the multiplication of fractions, we have the following Ba1e. Multiply the numerators together for a new numerator, and the denominators for a new denominator. ft A 2. Divide т by - • о а = a + b + cXd (§79) Hence, for the division of fractions, we have...

University Algebra: Embracing a Logical Development of the Science with ...

Charles Davies - 1889 - 320 σελίδες
...this gives for the product, ^-; that is, oct ac ac b X d = bd' Hence, we have the following -RULE. Multiply the numerators together for a new numerator, and the denominators for a new denominator. EXAMPLES. , TV! 1 • 1 7X * 3a 1. Multiply — , by — • by • 4c The product of the numerators...

The History and Science of Education ...

William J. Shoup - 1891 - 303 σελίδες
...another, we invert the terms of the divisor and then multiply, or proceed as in multiplication, or multiply the numerators together for a new numerator and the denominators for a new denominator. This same rule may, of course, be arrived at by other methods of induction. The pupils having now fairly...

New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1893 - 224 σελίδες
...5 X $ 10 reducing, J,. 2 - X - = —>— = —, Ans. eighths of | are |||, or, by Rule.—Multiply the numerators together for a new numerator, and the denominators for a new denominator. Examples. Multiply 3 - T"T by £• Ans. T^. 4. A by |. Ans. §. 6. £ of f by £. Ans. 7- J by i off...

New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1893 - 224 σελίδες
...of a fraction called ? What is the multiplying of a fraction by a fraction equivalent to ? Rule. — Multiply the numerators together for a new numerator, and the denominators for a neza denominator. 10. What part of a ship is -\ of $ of it? Ans. &. 11. What is the product of £,...

Algebra for Beginners

William Frothingham Bradbury, Grenville C. Emery - 1894 - 128 σελίδες
...2b i ; 2b 1 Т -1-- ax i 9П Hence, for the multiplication of fractions, we have the following Rale. Multiply the numerators together for a new numerator, and the denominators for a new denominator. ft .• 2. Divide T by - . о a Let r = x, and - = « о а Then a — bx, and с = dy ad = ¿ dx,...

New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 360 σελίδες
...mulBULE. Multiply by the numerator of the multiplier and divide the product by its denominator. Or, Multiply the numerators together for a new numerator, and the denominators for a new denominator. This rule is general, and applies in the two preceding cases, since a whole number may be written in...




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