PSLEFind the following values without a calculator.
Which is greater?
- 109 or 104
- 89 or 86
- 73 or 57
(a)
If the numerators are the same, the smaller the denominator, the greater the value of the fraction.
109 is smaller than
104.
(b)
89 is smaller than
86.
(c)
If the denominators are the same, the bigger the numerator, the greater the value of the fraction.
73 =
7 x 7 3 x 7 =
4921 57 =
5 x 3 7 x 3 =
1521 4921 is greater than
1521.
73 is greater than
57.
Answer(s): (a)
104; (b)
86; (c)
73