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 Âéâëßá Âéâëßá 71 - 80 áðü 146 ãéá Operations with Fractions A) To change a mixed number to an improper fraction, simply....
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 Complete System of Arithmetick: Composed for the Use of the ... - Óåëßäá 71
ôùí Nicolas Pike - 1832 - 528 óåëßäåò
ÐëÞñçò ðñïâïëÞ - Ó÷åôéêÜ ìå áõôü ôï âéâëßï

## Treatise on Arithmetic, in Theory and Practice: With an Appendix, Containing ...

James Thomson (LL.D.) - 1837 - 284 óåëßäåò
...45. \iy 42^ 42. \W 21Hf I 44. '???0.... 90tSSi 46. y£ 30 Problem VI. To reduce a mixed number to an improper fraction. RULE. Multiply the whole number by the denominator of the fractional part, and to the product add the numerator; the sum will be the required numerator, below...

## Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 óåëßäåò
...quarter apples among a number of boys, how many whole apples do I use ? Ans. 219J. CASE II. i) 9O. To reduce a mixed number to its equivalent improper...the whole number by the denominator of the fraction; to the product add the numerator, and place the sum over the given denominator. EXAMPLES. 1. Reduce...

## A Practical and Theoretical System of Arithmetic: Containing a New System of ...

George Willson - 1838
...Ans. ^ . 5. In 13 feet, how many ^ of a foot? Ans. ^6III. To reduce a mixed number to an equivalent fraction. RULE. Multiply the whole number by the denominator of the fraction, add the numerator, and the sum will form the numerator of the fraction required. 1 . What fraction...

## Mathematics for Practical Men: Being a Common-place Book of Principles ...

1863
...equivalent fraetion having any assigned denominator. This is, evidently,-the reverse of Case 2 ; therefore multiply the whole number by the denominator of the fraction, and add the numerator (if there be one) to obtain the numerator of the fraction required. Ex. — Reduce 221^. to an improper...

## Elements of arithmetic, tr. by J. Spear

1863
...:— 7 + 3 = §2. i 6 RULE. — To put a fractional number under the form of an ordinary fraction, multiply the whole number by the denominator of the fraction, and add the numerator to the product, placing the denominator underneath. Since a whole number or a fractional number can...

## A complete course of oral & mental arithmetic

1864 - 76 óåëßäåò
...and in 7# there are y. Here лv"e are said to reduce the mixed number 7\$ to the improper fraction y. Rule. Multiply the whole number by the denominator of the fraction and add in the numerator. 19. In 34, 7e, 9i> 1Ц, how many halves ? Ans. |, у, V, V20. In 5jr, 8i, 3f, 9i,...

## First book of arithmetic for the use of schools. [With] Key. High-school ed ...

...407, 789, and 5 to fractions having 611 for denominator. Case II. — To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of the fraction ; add the numerator to this product ; and place the sum over the given denominator. EXAMPLE. — Reduce...

## Mensuration and Practical Geometry: Containing Tables of Weights and ...

Charles Haynes Haswell - 1866
...||£-H10=.|l+8=-£H-3=f, or 9 indies. Ex. 2. Reduce ^-| to its lowest terms. Ans. f . To reduce a Mixed Fraction to its equivalent Improper Fraction. RULE. — Multiply...whole number by the denominator of the fraction, and to the product add the numerator, then set that sum above the denominator. EXAMPLE. — Reduce 23£...

## Arithmetic for the use of schools

W M. Lupton - 1867
...73441 and 30081. (24) 619369 and 7870000. (25) 966289 and 4915000. To reduce a mixed nwniber to an improper fraction. RULE. — Multiply the whole number by the denominator of the fraction, and add in the numerator for the new numerator ; the denominator remains unaltered. EXERCISE XVIII. Reduce...

## The Foreign and Domestic Commercial Calculator; Or, A Complete Library of ...

Ezra S. Winslow - 1867 - 220 óåëßäåò
...fraction to its lowest terms. EXAMPLE. £=1±; if=l T % = li; ff=2To reduce a mixed fraction to an equivalent improper fraction. RULE. — Multiply the whole number by the denominator of the fractional part, and to the product add the numerator, and place their sum over the said denominator....