A Practical Introduction to Arithmetic: Or, The Teacher of Arithmetic's Assistant: Containing, Arithmetic of Whole Numbers, with Vulgar, Decimal, and Duodecimal Fractions. To which is Added, an Appendix of Directions and Examples for Receipts, Promissory Notes, Bills of Exchange, Bills of Parcels, Bills of Book-debts, and Letters; with Various Exercises on the Same

G. Herdsfield, 1789 - 100 σελίδες

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Σελίδα 50 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
Σελίδα 49 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Σελίδα 58 - ... 1 from 5 to 15 ; 2 from 15 to 25 ; 3 from 25 to 35, &c.
Σελίδα 67 - Feet multiplied by feet, give feet. Feet multiplied by inches, give inches. Feet multiplied by seconds, give seconds. Inches multiplied by inches, give seconds. Inches multiplied by seconds, give thirds. Seconds multiplied "by seconds, give fourths.
Σελίδα 48 - ... can do a piece of work in 28 days. How many men could do it in 84 days?
Σελίδα 49 - J,T, }g¿, &c. 2. An IMPROPER FRACTION is when the numerator is equal to, or greater than the denominator, as f, f, $%, 'f 7, &c.
Σελίδα 54 - ... the numerator of the divifor into the denominator of the dividend, for a new denominator.
Σελίδα 76 - In an orchard of fruit trees, -'- of them bear apples, J. pears, £ plums, 60 of them peaches, and 40 cherries, how many trees does the orchard contain? Ans.

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