PSLEFind the following values without a calculator.
Which is greater?
- 85 or 84
- 810 or 89
- 109 or 210
(a)
If the numerators are the same, the smaller the denominator, the greater the value of the fraction.
85 is smaller than
84.
(b)
810 is smaller than
89.
(c)
If the denominators are the same, the bigger the numerator, the greater the value of the fraction.
109 =
10 x 10 9 x 10 =
10090 210 =
2 x 9 10 x 9 =
1890 10090 is greater than
1890.
109 is greater than
210.
Answer(s): (a)
84; (b)
89; (c)
109
