 | Thomas Hill - Arithmetic - 1845 - 110 pages
...has been commonly called the " rule of three." 136. To multiply vulgar fractions together: Multiply the numerators together for a new numerator, and the denominators for a new denominator. (134, 135). The numerator of the multiplicand is the number, (131), to be multiplied by the fraction... | |
 | Arithmetic - 1845 - 210 pages
...BULE. Reduce compound fractions to single ones, and mixed numbers to improper fractions; then multiply the numerators together for a new numerator, and the denominators for a new denominator. EXAMPLES. 1. Multiply $ by f. Result Д. " **--"-• "- ' *-Л Result £ 4. Multiply 12f by 7§. Result... | |
 | Z. Jones - Arithmetic - 1845 - 58 pages
...(three fourths of 12). Take f of 42. fof81. fof!3. fof21. 6. To take a part of another part, multiply the numerators together for a new numerator and the denominators for a new denominator. Thus £ of ^ is j.. The value of an expression of parts is diminished, by multiplying the denominator.... | |
 | James Wood - Algebra - 1845 - 442 pages
...the division of its denominator by c. 127. The product of two fractions is found by multiplyingthe numerators together for a new numerator, and the denominators for a new denominator. Let 7 and - be the two fractions; then -x- = — j. For if о abd bd x = - , and у = - , by multiplying... | |
 | George Augustus Walton - Arithmetic - 1864 - 376 pages
...cancelling, fr^= ¡¿т", •"*"*• Hence the RULE. To multiply a fraction by a fraction ; — Multiply the numerators together for a new numerator, and the denominators for a new denominator. EXAMPLES. Multiply 1. \ by f. Ans. ¿. i 4. 2. f by TV 3. |t by f 5- |f by 6- Ш by 7. T8T X Ц = what... | |
 | Stoddard A. Felter - Arithmetic - 1864 - 412 pages
...£„ which is ]£. Therefore, ?X|=J|. t RULE. — (I.) Cancel aU the common factors, and then multiply the numerators together for a new numerator, and the denominators for a new denominator. •NOTE— Those who prefer, may use the following analysis:— ^x | = | of ij; | of 3 = 1 of 5 times... | |
 | James Bates Thomson - Arithmetic - 1864 - 392 pages
...sold J of f of the ship. Now § of 3 is a compound fraction, whose value is found by multiplying tire numerators together for a new numerator, and the denominators for a new denominator. (Art. 123.) Multiplying the two numerators to- Operation. gether, and the two denominators, the Ix^r8?'... | |
 | George Augustus Walton, Mrs. Electra Nobles Lincoln Walton - Arithmetic - 1865 - 354 pages
...after cancelling, g-~9= ^, .an«. Hence the BULE. To multiply a fraction by a fraction ; — Multiply the numerators together for a new numerator, and the denominators for a new denominator. EXAMPLES. Multiply 1. | by f . Ans. ¿. 4. ff by Ц» 2- -f by TV Ля«. Д. 5, ff by 3. !$ by f.... | |
 | W H. Wingate - 1865 - 150 pages
...19J - 11| (8) $ - A and 9 - 81Ц MULTIPLICATION OF FRACTIONS. Rule. — Simplify the quantities and multiply all the numerators together for a new numerator, and the denominators together for a new denominator. Before multiplying, divide the numerators and denominators by any common... | |
 | Horatio Nelson Robinson - Algebra - 1866 - 328 pages
...denominators. Hence, the RULE. I. Reduce entire and mixed quantities to fractional forms. II. Multiply the numerators together for a new numerator, and the denominators, for a new denominator, canceling all factors common to the numerator and denominator of the indicated product. EXAMPLES FOR... | |
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Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator. 
