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" Multiply the numerators together for a new numerator, and the denominators together for a new denominator. "
Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ... - Σελίδα 113
των Roswell Chamberlain Smith - 1831 - 268 σελίδες
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A short and easy course of algebra

Thomas Lund - 1851 - 186 σελίδες
...Quotient = . [Exercises K, 21... 2 7, p. 49.] 40. To multiply one fraction by another fraction. RULE. Multiply the numerators together for a new numerator,...and the denominators together for a new denominator. a с aс Thus т xj = TJ - To prove the rule, we have -, to be taken -r times. Now -3 taken a times...

School Arithmetic: Analytical and Practical

Charles Davies - 1852 - 344 σελίδες
...ft, (Art. 180), and 5 times /4- is Ji=5 : hence, OPERATION. |xf=H=»s. 4 o _ 0 8 * 5 c ft 0 — g. Multiply the numerators together for a new numerator...and the denominators together for a new denominator. NOTES. — 1. When the multiplier is less than 1, we do not take the whole of the multiplicand, but...

Rational arithmetic

Sarah Porter - 1852 - 286 σελίδες
...then the expression would be — xr, and you would proceed exactly as you did at first ; rule, — multiply the numerators together for a new numerator,...and the denominators together for a new denominator. Whether the expression be two fractions, thus, - x Q = 7 - 5, or three fractions, thus, - x „ x i...

Ray's Algebra, Part First: On the Analytic and Inductive Methods of ...

Joseph Ray - 1848 - 250 σελίδες
...and - of - =- — . Hence, the cc it c tic BULB, TOR THE MULTIPLICATION OF A FRACTION BT A FRACTION. Multiply the numerators together, for a new numerator;...the denominators together, for a new denominator. REMARKS. — 1st. If either of the factors is a mixed quantity, it is best to reduce it to an improper...

Indroduction to the National Arithmetic ...

Benjamin Greenleaf - 1854 - 342 σελίδες
...Muitiplying one fraction by another is the same as reducing compound fractions to simple ones. RULE I. — Multiply the numerators together for a new numerator,...and the denominators together for a new denominator; then reduce the fraction to its lowest terms. Or, RULE II. — Cancel all the common factors in the...

Smith's Inductive Arithmetic and Federal Calculator on a New, Interesting ...

Roswell Chamberlain Smith - 1855 - 154 σελίδες
...What whole number and fraction does 9 times 1 equal ? A. 1}. 2. To multiply one fraction by another, multiply the numerators together for a new numerator,...and the denominators together for a new denominator. 11. A merchant had ^ of a yard of cloth in one remnant. and in another only \ as much ; what part of...

Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1856 - 334 σελίδες
...a trip of 205 miles ? A. 13f hours. CASE v. To reduce a compound fraction to a simple one. RULE. 1. Multiply the numerators together for a new numerator,...and the denominators together for a new denominator. CASE III. Q. How is a mixed number reduced to an improper fraction? 1. Why add in the numerator? 2....

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1857 - 452 σελίδες
...multiply £ by -f is to take f of the £ X % = f ^ Ans. multiplicand, £. Now, to obtain | of f , « multiply the numerators together for a new numerator,...and the denominators together for a new denominator (Art. 226). Therefore, Multiplying one fraction by another is the same as reducing compound fractions...

Practical Arithmetic, by Induction and Analysis

Joseph Ray - 1857 - 348 σελίδες
...fraction. *3. Reduce g of | to a simple fraction. Ans. jjj. Eule for Case IV. — Multiply the nvmerators together for a new numerator, and the denominators together for a new denominator. If mixed numbers occur, reduce them to improper fractions. 4. Reduce £ of § of 2| to a simple fraction....

Help to Arithmetic ...

Howard Candler - 1868 - 132 σελίδες
...a compound fraction to a simple one. DEF. A compound fraction is the fraction of a fraction. Rule. Multiply the numerators together for a new numerator,...and the denominators together for a new denominator. Thus, - of - = — . 3 S IS For - of - is the same as - -f 3, and is therefore W 0 v equal to — by...




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