 There are three signs to consider in a fraction: the sign preceding the fraction, the sign of the numerator, and the sign of the denominator. Rule 1. Any two of the" three signs may be changed without changing the value of the fraction.  Complete School Algebra - Page 158by Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - 1919 - 507 pagesFull view - About this book
 | George Albert Wentworth - Algebra - 1898 - 516 pages
...numerator and denominator : " ' . ' 159. There are three signs to consider in a fraction, the sign before the fraction, the sign of the numerator, and the sign of the denominator. any two of the three signs may be changed without changing the value of the fraction. The sign of a... | |
 | Analytical chemistry - 1900 - 532 pages
...99. The three signs of a fraction are: the sign before the dividing line, which affects the entire fraction; the sign of the numerator; and the sign of the denominator. When any one of these signs is omitted, it is understood to be plus. Any two signs of a fraction may... | |
 | Louis Parker Jocelyn - Algebra - 1902 - 460 pages
...value of the fraction is not changed. 247. PRINCIPLE 2. Any two of the three signs in a fraction, ie, the sign of the fraction, the sign of the numerator, and the sign of the denominator, may be changed without affecting the value of the fraction. Let the student prove this Principle by... | |
 | International Correspondence Schools - Arithmetic - 1902 - 794 pages
...531. The three signs of a fraction are: the sign before the dividing line, which affects the entire fraction; the sign of the numerator; and the sign of the denominator. * When any one of these signs is omitted, it is understood to be plus. Any two signs of a fraction... | |
 | John Charles Stone, James Franklin Millis - Algebra - 1905 - 776 pages
...algebraic signs of a fraction. In every fraction there are three signs to consider ; the sign before the fraction, the sign of the numerator, and the sign of the denominator. о _i_j о Thus, +-r-^; — ,^.; — — 5; etc. When a fraction is standing ; « > -т t ' — о... | |
 | George Albert Wentworth - Algebra - 1906 - 440 pages
...Зж8 - 47 ж2 - 45ж + 18 33' 169. There are three signs to consider in a fraction : the sign before the fraction, the sign of the numerator, and the sign of the denominator. Since J-5|. -=.а._.•.. (p. 46,§ Щ any two of the three signs may be changed without changing the... | |
 | International Correspondence Schools - Arithmetic - 1906 - 576 pages
...36. The three signs of a fraction are : the sign before the dividing line, which affects the entire fraction; the sign of the numerator; and the sign of the denominator. When any one of these signs is omitted, it is understood to be plus. Any two signs of a fraction may... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1910 - 374 pages
...+ 5 64 x8 + 1 ' 8 с4 -10 с' + 12 с -15 1+8 x + 16 x2 62. Changes of sign in a fraction. The sign of a fraction is the plus or minus sign placed before...of the numerator, and the sign of the denominator. Therefore + ±=+4; ; -±f=-(-4)=+4. Or, in general terms, + — 7 = + — ^ = ? = 7 • + b — b +o... | |
 | Henry Lewis Rietz, Arthur Robert Crathorne, Edson Homer Taylor - Algebra - 1915 - 298 pages
...-!)(* + 2) 91. Signs in fractions. In any fraction, there are three signs to consider : the sign before the fraction, the sign of the numerator, and the sign of the denominator. Thus, Historical note on fractions. Fractions offered very great difficulty to the ancient nations.... | |
 | Henry Lewis Rietz, Arthur Robert Crathorne, Edson Homer Taylor - Algebra - 1915 - 302 pages
...1)(x + 2) 91. Signs in fractions. In any fraction, there are three signs to consider : the sign before the fraction, the sign of the numerator, and the sign of the denominator. Thus, Historical note on fractions. Fractions offered very great difficulty to the ancient nations.... | |
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