 | William Foster - 1840 - 92 pages
...greatest common measure is * +6, ' 2é PROOF. if»z. 4 and — ; — 7, — ,. лс«_65 j: — 6CASE II. To reduce a mixed number to an improper fraction. RULE. Multiply the integral part by the denominator of the fractional part : to the product annex the numerator ,of the... | |
 | Calvin Tracy - Arithmetic - 1840 - 326 pages
...thirds in six ; and 18-=-2=9. For dividing a whole number by a fraction, we have then the following rule ; Multiply the whole number by the denominator of the fraction, and divide the product by the numerator. Ex. 1. Divide 9 by J. Operation, 9x4=36, and 36-^3 = 12, the quotient.... | |
 | William Ruger - Arithmetic - 1841 - 268 pages
...120 5 the numerator added. 125 new numerator, denominator Proof. 8)125 8DEM. — It is plain, when we multiply the whole number by the denominator of the fraction and add the numerator, that the sum expresses eighths, and placing the denominator below, we have a new fraction, equal in... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...fifths ; to which, if we add 3 fifths, the amount will be 88 fifths. Hence we deduce the following RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator, and place their sum over the denominator of the fraction. 8. Reduce... | |
 | W. F. Walker - Arithmetic - 1841 - 246 pages
...expression to a fraction. Hence we have, §57. 1. CASE II. To change a mixed number to an equivalent fraction. RULE. Multiply the whole number by the denominator of the fraction; to the product add the numerator; and, under the sum, write the denominator of the fraction, for the... | |
 | Commissioners of National Education in Ireland - 1842 - 160 pages
...or mixed numbers. Tieduce the following fractions to whole or mixed numbers : 6. »{5» 9. 'Js 12. Case II — To reduce a mixed number to an improper...the whole number by the denominator of the fraction ; add the numerator, and under the product place the enominator. EXAMPLE.— Reduce the mixed num-... | |
 | Benjamin Greenleaf - Arithmetic - 1842 - 184 pages
...fraction. 3 this fraction by definition 2d, on page 67, is an —- Hence the following OO- TT .1 /•!! RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator, and place their sum over the denominator of the fraction. f. Reduce... | |
 | mrs. Henry Ayres - Arithmetic - 1843 - 470 pages
...lowest terms. 12. Reduce .^f^g to its lowest terms. 13. Reduce .£f to its lowest terms. CASE III. — To reduce a mixed number to an improper fraction....number by the denominator of the fraction and add in the numerator, and beneath this sum place the denominator, and you will have the fraction required.... | |
 | John Darby (teacher of mathematics.) - 1843 - 236 pages
...12. Reduce il%|¿° to its lowest terms. Ans. |* 1 3. Simplify -fri-f- as much as possible, Ans. J CASE II. — To reduce a mixed number to an improper...Multiply the whole number by the denominator of the fractional part, to the product add the numerator, and place the denominator under the sum, for the... | |
 | Nathan Daboll - Arithmetic - 1843 - 254 pages
...dollar per pound, what will 11lb. raisins come to ? Ans. $J PROBLEM VI. To divide a Whole Number by a fraction. RULE. Multiply the whole number by the denominator of the fraction, and divide the product by the numerator. EXAMPLES. 1. How many times is f of a dollar contained in $9 ?... | |
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Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator. 
