Vocabulary
The top number in a fraction
numerator
one category that the real number system is divided into
rational numbers
3 + 5 x 7
38
2/6 + 3/6
5/6
simplest form: 6/8
3/4
This type of fraction has a numerator greater than the denominator.
improper fraction
a second category that real numbers are divided into
irrational numbers
8 + 10 x 5
58
14/16 - 8/16
(simplest form)
3/8
simplest form: 28/49
4/7
distance from zero
absolute value
opposite of 6
-6
(15-7) / 4
2
6/18 + 7/18 - 13/18
0
simplest form: 45/54
5/6
same distance from zero
opposite
| -5 |
5
(7 + 8) - (5 - 3)
13
1/3 + 2/9
5/9
simplest form: 36/40
9/10
this type of fraction has a numerator smaller than the denominator
proper fraction
| 15 |
15
10/2 -3 + 24
18
1/2 - 1/6
(simplest form)
1/3
simplest form: 12/30
2/5