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Βιβλία Βιβλία 1 - 10 από 45 για Multiply the whole number by the numerator of the fraction, and divide the product....
" Multiply the whole number by the numerator of the fraction, and divide the product by the denominator ; or divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator. "
A New System of Arithmetic, on an Improved Plan ... - Σελίδα 72
των Charles Guilford Burnham - 1859
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Conversations on Arithmetic, with Demonstrations to Each Rule

Leonard Pierce - 1823 - 156 σελίδες
...equal tof of that number, or equal to twice £. Therefore, to multiply any whole number by a fraction, Divide the whole number by the denominator of the...fraction^ and multiply the quotient by the numerator. Multiply 24by£. Ans. 18. Multiply 32 by |. , Ans. 20. Multiply 36 byf. Ans. 12. Multiply 42 by ^....

Arithmetic: Being a Sequel to First Lessons in Arithmetic

Warren Colburn - 1824 - 267 σελίδες
...1224 is 18. 47 times 18 are 846. An*. 846 dollars. To find any fractional part of a number, divide the number by the denominator of the fraction, and multiply the. quotient by the numerator. V A man bought 5 yards of cloth for 28 dollars ; what was that a yard1? } of 2b is 5, and j of 30 is...

Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1826 - 245 σελίδες
...is 18. 47 times are 18 are 846. Ans. 846 dollars. Tofind any fractional part of a number, divide the number by the denominator of the fraction, and multiply the quotient by the numerator. A man bought 5 yards of cloth for 28 dollars ; what was that a yard ? | of 25 is 5, and | of 30 is...

Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ...

Warren Colburn - 1829
...18. 47 times are 18 are 846. Ans. 846 dollars. To find any fractional part of a number, divide the number by the denominator of the fraction, and multiply the quotient by the numerator. A man bought 5 yards of cloth for 28 dollars ; what was that a yard? } of 25 is 5, and | of 30 is 6....

The Practical Arithmetic: In which the Principles of Operating by Numbers ...

1829 - 180 σελίδες
...3 times. Hence the most rational method of multiplying by a fraction is To DIVIDE the multiplicand by the DENOMINATOR of the fraction, and MULTIPLY the quotient by the NUMERATOR. EXAMPLE. Suppose 5 is to be multiplied by ]. 4) 5 In this operation, it is required to multiply the...

The Youth's Assistant in Theoretic[!] and Practical Arithmetic ...

Zadock Thompson - 1832 - 168 σελίδες
...by f , a> by the former method. Therefore, 22Jf. To mull! ply a whde number by a fraction. RULE. — Divide the whole number by the denominator of the...fraction, and multiply the quotient by the numerator, — or multiply the whole number by the numerator, and divide the product by the denominator. QUESTIONS...

The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ...

Zadock Thompson - 1832 - 168 σελίδες
...by | , as by the former method. Therefore, 223. To multiply a whole number by a fraction. RULE. — Divide the whole number by the denominator of the...fraction, and multiply the quotient by the numerator, — or multiply the whole number by the numerator, and divide the product by the denominator. QUESTIONS...

The Arithmetical Manual

Samuel Read Hall - 1832 - 288 σελίδες
...1X3 = 3. Hence, To multiply a whole number by a fraction, multiply the whole number by the numerator, and divide the product by the denominator. Or, divide the whole number by the denominator, and multiply the quotient by the numerator. EXAMPLES. 1. Multiply 45 by f. 2. Multiply 65 by f. 45...

A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1837 - 256 σελίδες
...of J of a barrel, and 3X2=6 the' cost of§, therefore, To multiply a Whole Number by a Fraction — Divide the whole number by the denominator of the...fraction, and multiply the quotient by the numerator. 2. What will 16 yards of cloth cost at f of a dollar per yard ? Operation. As 16, the number of yards,...

Arithmetic. [With] Key, Τόμος 1

Robert Goodacre - 1839
...either by taking the proper aliquot parts from the multiplicand ; or, if easier, divide the multiplicand by the denominator of the fraction, and multiply the quotient by the numerator. When there are fractions both in the multiplicand and multiplier, the example will be most easily performed...




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