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" Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator. "
Introduction to arithmetic - Σελίδα 72
των Chambers W. and R., ltd - 1854
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... An Elementary Arithmetic ... Serving as an Introduction to the Higher ...

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

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....

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...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,...

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...

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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...

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...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...

Arithmetic for Schools

Barnard Smith - 1854
...By how much does the sum of the fractions 1^ and ^ exceed their difference ? • MULTIPLICATION. 77. RULE. Multiply all the numerators together for a new...all the denominators together for a new denominator. о ej Ex. Multiply s by - . t cl Proceeding by the Rule given above, 3x5 15 7x8~~56' Reason for the...

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Benjamin Greenleaf - 1854
...cancel , *XpX/«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...

The Practical Calculator; a Treatise on Arithmetic ...

C. W. Thornhill - 1854
...of a month from -f^ of a year. Ans. 5 mon. 3 wks. 0 dys. 11 hrs. 52^ min. MULTIPLICATION. RTJLE. — Multiply all the numerators together for a new numerator, and all the denominators for a new denominator, cancelling both numerators and denominators when practicable, according to Case...

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Elias Loomis - 1855 - 316 σελίδες
...K rom „ subtract — - — . Ans. PROBLEM VII. (89.) To multiply fractional quantities together. RULE. Multiply all the numerators together for a new...all the denominators together for a new denominator ac Let it be required to multiply T by •> a First, let us multiply r by c. According to Remark first...




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