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" To subtract one fraction from another. 1. If the fractions have not a common denominator, reduce them to a common denominator. 2. Subtract the less numerator from the greater, and place the remainder, as a numerator, over the common denominator. "
An Elementary and Practical Arithmetic - Page 77
by James B. Dodd - 1850 - 244 pages
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The Elements of Algebra: Designed for the Use of Students in the University

James Wood - Algebra - 1815 - 338 pages
...parts, one. of those parts, together with two parts of the same kind, must make three such parts. (27.) If the fractions have not a common denominator, reduce them to a common denominator, and proceed as before. 23 4_ Ex. Required the sum of - , - and -. 34 5 These reduced to a common denominator...
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Arithmetic Modernised: Or, A Complete System of Arithmetic, Adapted to ...

John Davidson, Robert Scott (writing master) - Arithmetic - 1818 - 190 pages
...denominator, the mm of the numerators placed over the common denominator will Ic the answer i—tnhen the fractions have not a common denominator, reduce them to a common denominator, and then proceed as before : — ..ctie n mixed numbers are given, to the sum of the fractions add...
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A brief compendium of arithmetic

Benjamin Snowden - 1835 - 108 pages
...integers. From 2£ 6TV 19-i^ 257V 5 7 Take^li 2# КЦ4 9# U 4f Remainders f 3^s Facits i 34 RULE 3. — If the fractions have not a common denominator, reduce them to a common denominator and subtract as directed in Rule 1. From £&,£ take -f £ R. -f££ From 5^ take I of 2. R.3f ¿ From...
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A system of arithmetic

John Husband (math. master, Berwick.) - 1841 - 126 pages
...denominator, add together the numerators, and to the sum subjoin the common denominator for the answer. — If the fractions have not a common denominator, reduce them to a common denominator, and proceed as before,— if the numbers to be added are mixed, to the sum of the fractions add the...
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Arithmetic, in Two Parts

Frederic A. Adams - Arithmetic - 1846 - 230 pages
...the result over the common denominator. 1. Add A+A+f Add A+A+tt2. Subtract f— f &—&. «— «. If the fractions have not a common denominator, reduce them to a common denominator, (Sec. IX. Ft. I.) and then add or substract, as the question requires. 3. Add i+J+f Add 4. Add HHH-...
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The United States Arithmetic: Designed for Academies and Schools

William Vogdes - Arithmetic - 1847 - 324 pages
...Reduce compound fractions to simple ones, mixed numbers to improper fractions ; and then reduce all of them to a common denominator. 2. Add all the numerators together, and place the sum over the common denominator, and it will be the sum of the fractions required. fractional parts to...
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Arithmetic, in Two Parts ...

Frederic Augustus Adams - Arithmetic - 1848 - 322 pages
...over the common denominator. 1. AddA+A+t; A+A+tt; *+*+*2. Subtract*-!; A— A; tf — tt; ft— HIf the fractions have not a common denominator, reduce them to a common denominator, (Sec. IX., Pt. I.) and then add or subtract, as the question requires. 3. Addi+i+?; 4. Addf+| + ii...
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Arithmetic, in Two Parts ...

Frederic Augustus Adams - Arithmetic - 1848 - 324 pages
...common denominator. 1. AddT*T+T*r+f; ^-t-TY+yi; A+^+rV 2. Subtract t—f; ^— ^ ; « — «; if— «. If the fractions have not a common denominator, reduce them to a common denominate^ (Sec. IX., Pt. I.) and then add or subtract, as the question requires. 3. 4. 5. Subtract...
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High School Arithemtic: Containing the Elementary and the Higher Principles ...

James B. Dodd - Arithmetic - 1852 - 410 pages
...from 17. j from 20. J from 18. f from 20. RULE XXI. § 115. To subtract one fraction from another. 1. If the fractions have not a common denominator, reduce them to a common denominator. 2. Subtract the less numerator from the greater, and place the remainder, as a numerator, over the common...
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High School Arithmetic

James B. Dodd - 1853 - 398 pages
...f from 17. j from 20. | from 18. f from 20. RULE XXI. § 115. To subtract one faction from another. 1. If the fractions have not a common denominator, reduce them to a common denominator. 2. Subtract the less numerator from the greater, and place the remainder, as a numerator, over the common...
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