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Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
A New and Easy Introduction to the Mathematics: Containing. A system of ... - Page 235
by Ira Wanzer - 1831 - 396 pages

A New Introduction to the Mathematicks: Being Essays on Vulgar and Decimal ...

Benjamin Donne - Algebra - 1758 - 428 pages
...may be writ 4» and 5 may be writ \. 561. Cafe 2. To reduce a mixed Number into an improper Fraction. Multiply the whole Number by the Denominator of the Fraction, and add in the Numerator of the Fraction, the Product will be a • Numerator ; under which place the Denominator...

The Arithmetician's Guide: Being a New, Improved, and Compendious System of ...

John Eadon - Arithmetic - 1766 - 360 pages
...may be 30. 720 Anfw. . — 24. 30 III. To reduce a tnixt number into an Improptr Frail ten »f tyual value. • RULE. Multiply the whole number by the Denominator of the Fraction, and to the prcduft add the Numerator, and the fum is the new Numerator, under which write ue Denominator....

A Complete System of Practical Arithmetic, with Various Branches in the ...

William Taylor (teacher of the mathematics.) - Arithmetic - 1800 - 556 pages
...for numerator, and D. for denominator. CASE 5. To reduce any mixed number to an improper fraction, RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator for a new numerator, which place over the denominator. EXAMPLE. Reduce...

Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Mathematics - 1801 - 444 pages
...Ans. 4>'°* . i » 9 3 79' CASE II. JT» redtffe. a mixed numbtr to Its equivaltn! improper fraction* RULE.* Multiply the whole 'number by the denominator...fraction, and add the numerator to the product, then tint sum written above the denominator will form the fraction I-equired. |. Reduce 27^- to its equivalent...

A Course of Mathematics ...: Designed for the Use of the Officers ..., Volume 1

Isaac Dalby - Mathematics - 1807 - 476 pages
...number to its equivalent improper fraction. 42. THIS operation is the reverse of the former; therefore multiply the whole number by the denominator of the...fraction, and add the numerator to the product, then place the sum over the denominator for the fraction required. Example. Reduce 22£ j to an improper...

Mathematics: Compiled from the Best Authors, and Intended to be ..., Volume 1

Samuel Webber - Mathematics - 1808 - 466 pages
...yVmrrVo ^ much & possible. CASE II. To reduce a mixed number to its equivalent improper fraction. RUIE.* Multiply the whole number by the denominator of the...fraction, and add the numerator to the product, then that sum written above the denominator will form the fraction required. EXAMPLES. 1. Reduce 27| to...

The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - Arithmetic - 1808 - 176 pages
...|. 4. Reduce -- to its lowest terms Ï — .7. II. 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 ¡ишder which set the denominator. A whole number may be expressed...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - Arithmetic - 1809 - 312 pages
...mud be divided : T.'.v,: = . CASE II. To redact a mixed number to its equivalent improper Jraftion. RULE.* Multiply the whole number by the denominator of the fraction, and add the numerator of the fraction to the product ; under which fubjoin the denominator, and it will form the fraction...