PSLEFind the following values without a calculator.
Which is greater?
- 73 or 72
- 410 or 45
- 910 or 49
(a)
If the numerators are the same, the smaller the denominator, the greater the value of the fraction.
73 is smaller than
72.
(b)
410 is smaller than
45.
(c)
If the denominators are the same, the bigger the numerator, the greater the value of the fraction.
910 =
9 x 9 10 x 9 =
8190 49 =
4 x 10 9 x 10 =
4090 8190 is greater than
4090.
910 is greater than
49.
Answer(s): (a)
72; (b)
45; (c)
910