Mixed Numbers and Improper Fractions
6-7
When you compute with fractions, you must
be able to express mixed numbers as
improper fractions and vice versa.An improper fraction has a value
that is equal to or is greater than1.
It has a numerator equal to or
greater thanits denominator.To rename a mixed number as a
fraction:
Multiply the whole number by
the denominator.Add the product to the
numerator.Write the sum over the
denominator.To rename an improper fraction as a whole number
or as a mixed number:
Divide the numerator
by the denominator.
Write the quotient as the
whole number part.If there is a remainder,
write it over the denominator
and express the fraction in
simplest form.Study these examples.10 ^56
(6 1
60) 5
^606 ^5 ^665 Remember: Read 9^12 as
nine andone half.3 ^12 ^72
(23) 1
22
^198 9 1 8 ^198 29 R 2
^348 4 3 8 ^3
4(^8) 9 2
4
^3
4
(^8) 9 1
2
improper fraction
3 ^12 ^72
2.4
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