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" ... be reduced to a common denominator. We find also the following rule to reduce them to a common denominator : multiply all the denominators together, for a common denominator, and then multiply each numerator by all the denominators except its own.... "
A Practical Treatise on Arithmetic: Wherein Every Principle Taught is ... - Σελίδα 71
των George Leonard - 1841
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Arithmetic: Being a Sequel to First Lessons in Arithmetic

Warren Colburn - 1824 - 292 σελίδες
...denominator, they must fast be reduced to a common denominator. We find also the following rule to reduce them to a common denominator : multiply all the denominators together, for a common denominator, and then multiply each numerator by all the denominators e.rcept its own XX. This seems a proper place...

Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1826 - 264 σελίδες
...they must first be reduced to a common denominator. We find also the following rule to reduce them to a common denominator : multiply all the denominators together, for a common denominator, and then multiply each numerator by all the denominators except its own. XX. This seems a proper place...

Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ...

Warren Colburn - 1829 - 258 σελίδες
...they must first be reduced to a common denominator. We find also the following rule to reduce them to a common denominator : multiply all the denominators together, for a common denominator, and then multiply each numerator by all the denominators except its own. XX. This seems a proper place...

The Practical Arithmetic: In which the Principles of Operating by Numbers ...

1829 - 196 σελίδες
...of different denominators, to equivalent fractions, having a COMMON DENOMINATOR, we hate this RULE. Multiply all the denominators together for a COMMON DENOMINATOR, and each numerator into all the denominators EXCEPT ITS OWN for a NEW NUMERATOR. 3. Reduce the fractions j, ^, and ^,...

Geometry: Applied to the Mensuration of Lines, Surfaces, Solids, Heights and ...

B[enjamin] Franklin Callender - 1836 - 226 σελίδες
...denominator. To change fractions having different denominators, to fractions of equal value, having a common denominator. Multiply all the denominators together for a common denominator. Multiply each numerator by the denominators of all the other fractions, and place the result over the...

A New Introduction to the Science of Algebra...

Silas Totten - 1836 - 360 σελίδες
...fractions of different denominators to equivalent fractions having a common denominator. RULE. (25.) Multiply all the denominators together for a common denominator, and each numerator into all the denominators, except its own, for new numerators ; or, Find the least common multiple...

A Practical Treatise on Arithmetic, [etc.].

George Leonard - 1841 - 356 σελίδες
...second denominator. 322 6 344 5 third denominator. 553 3 0 common denominator. 15 20 12 Ans. U, U and U Explanation. By examining the preceding operation,...Therefore, to change fractions to a common denominator, all the denominators together for a common denominator, and each numerator by all the denominators,...

A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850 - 350 σελίδες
...by any one of the denominators, must be the product of all the others, we may adopt the common RULE. Multiply all the denominators together for a common denominator, and each numerator into all the denominators except its own for a new numerator. Operation 1st. Denominators, 3X4X5 =...

An Elementary Arithmetic ...

Calvin Tracy - 1851 - 214 σελίδες
...differ in specific value only. These fractions now, therefore, have the common denominator 8. \ RULK. Multiply all the denominators together for a common denominator, and each numerator into all the denominators except its own, for a numerator to each new fraction. 1. Reduce f, j, and...

Common School Algebra

Thomas Sherwin - 1855 - 262 σελίδες
...common denominator. ART. O8. From the preceding examples, we derive also the following RULE FOR REDUCING FRACTIONS TO A COMMON DENOMINATOR. Multiply all the...denominators together for a common denominator, and multiply each numerator by all the denominators except its own, in order to obtain the numerators....




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