Fraction Vocabulary 1
when a fraction and whole number are mixed
mixed number
the top number in a fraction
numerator
Convert 3 2/3 into an improper fraction.
11/3
1/5 + 3/5
4/5
8/9 - 4/9
4/9
when the numerator is less than the denominator
proper fraction
the bottom number in a fraction
denominator
Change 14/8 into a mixed number and simplify.
1 3/4
1/5 + 5/20
9/20
7/8 - 1/4
5/8
when two or more fractions look different but have the same value
equivalent fractions
when the numerator is bigger than the denominator
improper fraction
How do you say this number in words:
3 7/16
three and seven sixteenths
14/15 + 2/5
20/15
or
1 1/3
15/18 - 2/12
24/36
or
2/3
the fraction you get when you switch the numerator and denominator
reciprocal fraction
when a numerator and denominator have no common factor other than 1
simplest form
or
lowest term fraction
Leila bought 5 1/2 pounds of apples and 3 1/3 pounds of orange.
How many pounds of fruit did she buy?
8 5/6 lb
4 1/2 + 5 3/8
9 7/8
7 - 4 3/4
2 1/4
a fraction where the numerator and denominator share a factor and so can be simplified more
higher term fraction
a fraction where either the numerator or denominator (or both) is a fraction itself
complex fraction
What is the lowest common denominator of:
2/6, 7/9, and 5/12, and 13/24 ?
72
3 3/4 + 3/8 + 3/16
3 21/16
or
4 5/16
6 6/8 - 3 2/6
3 10/24
or
3 5/12