Unformatted text preview: d 7 / 3 ; 15 / 1 and 1 / 15 and
so on. Operations with simple fractions
Extension of a fraction. A fraction value isn’t changed, if to multiply its numerator and denominator by the
same nonzero number. This transformation of a fraction is called an extension of a fraction. For instance: Cancellation of a fraction. A fraction value isn’t changed, if to divide its numerator and denominator by the
same nonzero number. This transformation of a fraction is called a cancellation of a fraction or lowest term.
For instance: Math I 8 Feel free to pass this on to your friends, but please don’t post it online.
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College entrance exam and science high school entrance test tips. Conquer UPCAT, ACET, USTET,
DLSUCET, PSHSNCE, and other entrance tests. Comparison of fractions. From two fractions with the same numerators that one is more, a denominator of
which is less: From two fractions with the same denominators that one is more, a numerator of which is more: To compare two fractions, which have different both numerators and denominators, it is necessary to extend
them to reduce to the same denominators.
E x a m p l e . Compare the fractions: Solution. Multiply numerator and denominator of the first fraction  by denominator of the second
fraction and numerator and denominator of the second fraction  by denominator of the first
fraction: The used transformation of fractions is called a reducing of fractions to a common denominator. Math I 9...
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 Spring '13
 OTIS
 Elementary arithmetic, college entrance exam

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