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" To multiply fractions together, multiply all the numerators together for the new numerator and all the denominators together for... "
A complete course of oral & mental arithmetic - Σελίδα 32
των William Easton (of Hereford.) - 1864
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Examples in arithmetic and mensuration

William Easton (of Hereford.) - 1859 - 110 σελίδες
...MULTIPLICATION OF FRACTIONS. Rale. Reduce mixed numbers to improper fractions ; cancel, if possible ; then multiply all the numerators together for the new numerator,...the denominators together for the new denominator. Ex. 1. -Î xf = A ; /1 X ф = * cancelling 7. (l) ь Ex. 2. Ц x Ц = ^ X î| = У- = 9î cancelling...

The School board readers. Standard i(iii-vi), ed. by a former H.M ..., Τόμος 6

School board readers - 1872 - 328 σελίδες
...of 3^ of 9-3^ of 8117, 7i of 8£ - 3£ of |. 18. 119^. - 2| of 3J. MULTIPLICATION OF FEACTIONS. 12. Multiply all the numerators together for the new numerator, and all the denominators for the new denominator. Eeduce if necessary to a lower form or term. (This method is the same as that...

An elementary course of arithmetic. (With Key).

Richard Rickard - 1873 - 374 σελίδες
..._ 93. Hence the following general rule for multiplying any number of fractions together. Rule. — Multiply all the numerators together for the new numerator,...the denominators together for the new denominator. Mixed numbers should be reduced to improper fractions before applying the above rule. 94. Instead of...

School and college mental arithmetic

James George Dangar - 1873 - 164 σελίδες
...9. „ „ 10. „ „ • 11. „ „ 12. „ „ PROB. XXIII.— To Multiply Fractions Together. Multiply all the numerators together for the new numerator,...the denominators together for the new denominator. Reduce each product so obtained to its lowest terms. If it is evident that factors are common both...

Henley's Encyclopædia of Practical Engineering and Allied Trades: A ...

Joseph Gregory Horner - 1907 - 560 σελίδες
...which Cancellation may be carried out, see Greatest Common Measure. To multiply fractions together, multiply all the numerators together for the new numerator and all the denominators together for ,¡ i -, 4214x2x18 the new denominator — - x - x - = = — 5 3 3 5x3x3 45whole number occurs without...

Henley's Encyclopaedia of Practical Engineering and Allied Trades ...

1907 - 566 σελίδες
...which Cancellation may be carried out, see Greatest Common Measure. To multiply fractions together, multiply all the numerators together for the new numerator and all the denominators together for ,, . . 4214x2x1 8 the new denommator — - x . x - = = — Щ x Ifx 7 = - xxx - = z^. - = 40£. (When...




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