Vulgar and decimal fractions. By Jacob Abbott

Εξώφυλλο
Collins & Brother, 1847
 

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Δημοφιλή αποσπάσματα

Σελίδα 88 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Σελίδα 113 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 73 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Σελίδα 49 - Therefore, when the numerator and denominator of a fraction are divided by the same number, the...
Σελίδα 82 - A fraction may be reduced to lower terms by dividing both numerator and denominator by any number which will divide both without a remainder.
Σελίδα 18 - ... and 9 ? 76 and 9? 86 and 9? 96 and 9? 13. How many are 6 and 10 ? 16 and 10 ? 26 and 10? 36 and 10? 46 and 10? 56 and 10? 66 and 10?, 76 and 10? 86 and 10? 96 and 10? 14. How many are 5. and 6 ? 15 and 6 ? 25 and 6 ? 35 and 6 ? 45 and 6 ? 55 and 6 ? 65 and 6 ? 75 and 6 ? 85 and 6 ? 95 and 6 ? 15. How many are 5 and 7 ? 15 and 7 ? 25 and 7 ? 35 and 7 ? 45 and 7 ? 55 and 7 ? 65 and 7 ? 75 and 7 ? 85 and 7 ? 95 and 7 ? 16.
Σελίδα 21 - ... 10? 75 and 10? 85 and 10 ? 95 and 10 ? 19. How many are 4 and 7 ? 14 and 7? 24 and 7 ? 34 and 7 ? 44 and 7 ? 54 and 7 ? 64 and 7 ? 74 and 7 ? 84 and 7 ? 94 and 7 ? 20. How many are 4 and 8 ? 14 and 8 ? 24 and 8 ? 34 and 8 ? 44 and 8 ? 54 and 8 ? 64 and 8 ? 74 and 8? 84 and 8? 94 and 8? 21. How many are 4 and 9 ? 14 and 9? 24 and 9? 34 and 9 ? 44 and 9 ? 54 and 9 ? 64 and 9 ? 74 and 9? 84 and 9? 94 and 9 ? 22. How many are 4 and 10 ? 14 and 10 ? 24 and 10? 34 and 10? 44 and 10?
Σελίδα 22 - How many are 6 and 8? 16 and 8? 26 and 8? 36 and 8 ? 46 and 8 ? 56 and 8 ? 66 and 8 ? 76 and 8? 86 and 8? 96 and 8 ? 12. How many are 6 and 9 ? 16 and 9 ? 26 and 9 ? 36 and 9? 46 and 9 ? 56 and 9 ? 66 and 9 ? 76 and 9? 86 and 9? 96 and 9? 13. How many are 6 and 10 ? 16 and 10 ? 26 and 10? 36 and 10? 46 and 10? 56 and 10? 66 and 10? 76 and 10 ? 86 and 10 ? 96 and 10 ? 14. How many are 5 and 6 ? 15 and 6 ? 25 and 6 ? 35 and 6 ? 45 and 6 ? 55 and 6 ? 65 and G...
Σελίδα 84 - Hence, when the numerator of one fraction is a multiple of the denominator of the other...
Σελίδα 114 - The product of a whole number by a fraction is obtained by multiplying the whole number by the numerator of the fraction, and dividing the product by the denominator (Art. 188). Now 8547 X 3=25641, and 25641 -8-4=6410'.

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