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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. "
System of Practical Arithmetic - Σελίδα 131
1845 - 198 σελίδες
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Elements of algebra

William Foster - 1840 - 92 σελίδες
...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...

Ruger's Arithmetick, with Questions and Answers: A New System of Arithmetick ...

William Ruger - 1841 - 268 σελίδες
...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...

The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 334 σελίδες
...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...

Arithmetic: As Taught in the Troy Episcopal Institute

W. F. Walker - 1841 - 246 σελίδες
...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...

First Book of Arithmetic for the Use of Schools

Commissioners of National Education in Ireland - 1842 - 160 σελίδες
...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 fraction....the whole number by the denominator of the fraction ; add the numerator, and under the product place the enominator. EXAMPLE.— Reduce the mixed num-...

Introduction to the National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - 1842 - 184 σελίδες
...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...

Conversations on arithmetic

mrs. Henry Ayres - 1843 - 470 σελίδες
...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....

The practical arithmetic

John Darby (teacher of mathematics.) - 1843 - 236 σελίδες
...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 fraction....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...

A Theoretical and Practical System of Arithmetic, etc

W. H. CRANK - 1843 - 340 σελίδες
...8~0' 47880' 47880' (15) (16) 1560 1 092 ~ f, A Ane 135 70 441 225 -'ins. -STS, 'Bao' Tsir' ir_ 'STo' CASE 3. To reduce a mixed Number to an Improper Fraction. RULE. — Multiply the denominator of the fractional part into the integral part, adding in the numerator of the fractional...

Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - 1843 - 254 σελίδες
...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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