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" To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator. "
A Course of Mathematics: In Two Volumes. For the Use of Academies, as Well ... - Page 55
by Charles Hutton - 1818 - 558 pages
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A Practical Arithmetic

George Albert Wentworth, Thomas Hill - Arithmetic - 1882 - 376 pages
...make 72 thirteenths. Therefore, 257. To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator. 258. A whole number may be expressed as a fraction with any given...
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Arithmetic

A G. Blake - 1885 - 218 pages
...the above reasoning we see that to change a Mixed number to an Improper Fraction we must multiply the whole number by the Denominator of the fraction, and to the product add the Numerator, and make a new fraction, using the number so obtained for its Numerator, and the denominator of the...
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A Grammar Shcool Arithmetic

George Albert Wentworth - Arithmetic - 1886 - 392 pages
...fourths, make I5fourths. Hence, 113. To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator ; under this sum write the denominator. Ex. 70. (Oral.) Reduce to whole or mixed numbers : 1. 1-s....
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A High School Arithmetic

George Albert Wentworth - 1888 - 388 pages
...make 72 thirteenths. Therefore, 257. To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator. 258. A whole number may be expressed as a fraction with any given...
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A Grammar School Arithmetic

George Albert Wentworth - Arithmetic - 1888 - 378 pages
...fourths, make 15 fourths. Hence, 113. To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator. Ex. 70. (Oral.) Reduce to whole or mixed numbers : 1. J/. 7....
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New Franklin Arithmetic, Book 2

Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1895 - 444 pages
...following Rule To change an integer or a mixed number to an improper fraction : Multiply the integer by the denominator of the fraction, and to the product add the numerator; the result will be the numerator of the required fraction. Oral Exercises. 197. Change the following...
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An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1897 - 296 pages
...8. 19 to ISths. 12. 14 to S0ths. To change a mixed number to an improper fraction: We multiply the whole number by the denominator of the fraction, and to. the product add the numerator ; tinder this sum we write the denominator. Change 6| to fourths. Since there are 4 fourths (f ) in...
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The United Service, Volume 17

Military art and science - 1897 - 354 pages
...denominator. Example: £ = 5-H 4 = H. " To change a mixed number to an improper fraction, multiply the whole number by the denominator of the fraction and to the product add the numerator. Example : change 1 £ to an improper fraction. Operation: !J=l+$= IX 4 + i = $ + i = f " A whole number...
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An Advanced Arithmetic for High Schools, Normal Schools, and Academies

George Albert Wentworth - Arithmetic - 1898 - 424 pages
...thirteenths, make 72 thirteenths. Hence, 235. To Reduce a Mixed Number to a Fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator ; under this sum write the denominator. EXERCISE 47. Reduce to an improper fraction : 1. 3|. 10. 44f...
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An Advanced Arithmetic

George Albert Wentworth - 1898 - 424 pages
...thirteenths, make 72 thirteenths. Hence, 235. To Reduce a Mixed Number to a Fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator ; under this sum write the denominator. EXERCISE 47. Reduce to an improper fraction : 1. 3f. 10. 44f...
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