PSLEFind the following values without a calculator.
Which is greater?
- 27 or 23
- 107 or 109
- 97 or 89
(a)
If the numerators are the same, the smaller the denominator, the greater the value of the fraction.
27 is smaller than
23.
(b)
107 is greater than
109.
(c)
If the denominators are the same, the bigger the numerator, the greater the value of the fraction.
97 =
9 x 9 7 x 9 =
8163 89 =
8 x 7 9 x 7 =
5663 8163 is greater than
5663.
97 is greater than
89.
Answer(s): (a)
23; (b)
107; (c)
97