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" Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator. "
A treatise on mercantile and practical arithmetic - Σελίδα 113
των John Penrose (teacher of arithmetic.) - 1824 - 300 σελίδες
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Introduction to The National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - 1849 - 324 σελίδες
...may cancel 4X0X/^X0X 11 these common factors, according 0 to the rules of cancellation. RULE. — 1. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and then reduce the fraction to its lowest terms. 2. If there are factors in...

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

Nathan Daboll, David Austin Daboll - 1849 - 249 σελίδες
...equal parts, it will take 12 such parts to make a whole one ; therefore ^ of -J- is iJj, Answer: RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and they will form the fraction required, which reduce to its lowest terms....

Higher Arithmetic: Designed for the Use of High Schools, Academies, and ...

George Roberts Perkins - 1850 - 342 σελίδες
...fractions as for reducing compound fractions. Hence, to multiply together fractions, we have this RULE. Multiply all the numerators together for a new numerator,...all the denominators together for a new denominator, always observing to reject or cancel such factors as are common to both numerators and denominators....

... An Elementary Arithmetic ... Serving as an Introduction to the Higher ...

George Roberts Perkins - 1850 - 347 σελίδες
...same rule as for reducing compound fractions. Therefore, to multiply fractions, we have this RULE. Multiply all the numerators together for a new numerator,...all the denominators together for a new denominator; always observing to reject or cancel such factors as are common to both numerators and denominators....

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

Benjamin Greenleaf - 1850 - 360 σελίδες
...saying, RULE. — Change mixed numbers and whole numbers, if there be any, to improper fractions ; then multiply all the numerators together for a new numerator,...all the denominators together for a new denominator; the fraction should then be reduced to its lowest terms. If there be numbers in the numerator similar...

ARITHMETIC ON THE PRODUCTIVE SYSTEM

ROSWELL C. SMITH - 1850
...fractions reduce them to such first , then multiply each numerator by all the denominators except its own, for a new numerator; and all the denominators together for a new denominator. 2x6x7= 84. Then f =3 5x3 x 7= 105. Then t=| 4x6x3= 72. 6. Reduce f , f , and 4 to a com. denominator....

An Elementary Arithmetic Designed for Academies and Schools: Also Serving as ...

George Roberts Perkins - 1851 - 347 σελίδες
...the word OP, which connects the fractional parts, as equivalent to the sign of multiplication. Then multiply all the numerators together for a new numerator,...all the denominators together for a new denominator; always observing to reject or cancel such factors as are common to the numerators and denominators,...

Engineers' and Mechanics' Pocket-book ...

Charles Haynes Haswell - 1851 - 286 σελίδες
...FRACTIONS. !'i. I,?:,, — Prepare the fractions as previously required ; multiply all the numeraire together for a new numerator, and all the denominators together for a new ^nominator. .— What is the product of J and J ? 3Vs . 0 . 1 a_, tX? — 5J— I •** .— What is...

Introduction to the National Arithmetic ...

Benjamin Greenleaf - 1851
...may cancel 4XpX/5TX0X 11 these common factors, according 0 to the rules of cancellation. RULE. — 1. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, and then reduce the fraction to its lowest terms, 2. If there are factors in...

ENGINEERS AND MECHANICS POCKET BOOK

CHAS. H. HASWELL - 1853
...from £. MULTIPLICATION OF VULGAR FRACTIONS. RULE. — Prepare the fractions as previously required; multiply all the numerators together for a new numerator, and all the denominators together for a now denominator. EXAMPLE.— What is the product of J and J ? iX» =&=*.*». EXAMPLE .—What is the...




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