FRAME 2-31.
Solution to
Frame 2-30.
IMPROPER FRACTIONS. Notice that the answer to the last problem in
Frame 2-29 is unusual in that the fraction has a numerator that is larger
200 = 2x2x2x5x5
=
than the denominator. Such a fraction is called an improper fraction.
375 3x5x5x5
An improper fraction is a fraction in which the numerator is equal to or
2x2x2x 5x5 = 2x2x2=
larger than the denominator.
3x5x5x5
3x5
A proper fraction is a fraction in which the numerator is less than the
8
denominator.
15
A combination of a whole number and a fraction, such as three and one-
half (3 1/2), is called a mixed number.
3/5 is a(n)
.
5/3 is a(n)
.
1 2/3 is a(n)
.
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FRAME 2-32.
Solution to
Frame 2-31.
When you worked the problem 7/8 divided by 1/4, you came up with an
improper fraction (7/2) as the answer. When your answer is an improper
3
fraction, you will usually change it to its mixed number form (this is also
5
proper fraction
referred to as "reducing"). To change an improper fraction to a mixed
number, divide the numerator by the denominator and put the remainder
5
(if any) over the denominator.
3
improper fraction
Reduce 7/2 to a mixed number.
1 2/3
mixed number
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FRAME 2-33.
Solution to
Frame 2-32.
Reduce the following improper fractions. If the remainder is zero, then
the improper fraction reduces to a whole number.
3
7/2 = 2/ 7
= 3 1/2
6
10
=
1
3
100
=
14
20
=
4
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MD0900
2-14