PSLEFind the following values without a calculator.
Which is greater?
- 87 or 84
- 93 or 910
- 79 or 47
(a)
If the numerators are the same, the smaller the denominator, the greater the value of the fraction.
87 is smaller than
84.
(b)
93 is greater than
910.
(c)
If the denominators are the same, the bigger the numerator, the greater the value of the fraction.
79 =
7 x 7 9 x 7 =
4963 47 =
4 x 9 7 x 9 =
3663 4963 is greater than
3663.
79 is greater than
47.
Answer(s): (a)
84; (b)
93; (c)
79