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 non-zero 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 non-zero 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, PSHS-NCE, 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
- Elementary arithmetic, college entrance exam