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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 Treatise on Algebra, in Practice and Theory: With Notes and Illustrations ... - Page 31
by John Bonnycastle - 1813 - 428 pages

## The elements of algebra, with additions by W. Galbraith and W. Rutherford

John Bonnycastle - 1848 - 334 pages
...с Also, if a — - be the mixed quantity, then a — - = ; с: с с henee we Irive the following Rule. — Multiply the integral part by the denominator...fraction, and to the product add the numerator when it is positive, or subtract it when it is negative, then the result placed over the denominator, will be...

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

Nathan Daboll, David Austin Daboll - Arithmetic - 1849 - 260 pages
...PROBLEM II. To change a Whole or Mixed Number to an Improper Fraction. RULE. Multiply the whole number by the denominator of the fraction and to the product add the numerator ; this sum written over the denominator will form the fraction re' quired. EXAMPLES. 1 . In 27-| dollars...

## Scribner's Engineers' and Mechanics' Companion: Comprising United States ...

J. M. Scribner - Mechanical engineering - 1849 - 294 pages
...=ff- Answer. To reduce a Mixed Number to an Improper fraction. Rule. — Multiply the whole number by the denominator of the fraction ; and to the product add the numerator, and place the sum above the denominator. Example. — Reduce 17? and 8f to improper fractions. 173=1^;...

## The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...write under RULE. —Divide the integers as in whole numbers, and if any thing remains multiply it by the denominator of the fraction, and to the product add the numerator of the fraction, and write it over the product of the divisor, multiplied by the denominator. 2. Divide...

## A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850 - 350 pages
...therefore, To reduce a mixed number to an improper frac,ion, we have this RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator ; under the result, place the denominator of the fraction. EXAMPLES. 4. Change of to an improper fraction....

## A Theoretical and Practical Treatise on Algebra: In which the Excellencies ...

Horatio Nelson Robinson - Algebra - 1850 - 358 pages
...them side by side. CASE i. To reduce a mixed quantity to an improper fraction, multiply the integer by the denominator of the fraction, and to the product add the numerator, or connect it with its proper sign, + or —; then the denominator being set under this sum, will give...

## An Elementary Treatise on Algebra: Designed as First Lessons in that Science

Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...to reduce these to improper fractions, we have the following rule : RULE . — Multiply the integer by the denominator of the fraction, and to the product add the numerator, or connect it with its proper sign + or — •/ then the denominator being set under this sum, will...

## A Theoretical and Practical Arithmetic: Designed for Common Schools and ...

Daniel Leach - Arithmetic - 1851 - 280 pages
...87. To reduce a mixed number to an equivalent improper fraction, — RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator 'y and write the suin over the denominator. 32. Reduce 7f to its equivalent improper fraction. Multiplying...