PSLE Which fraction is closest to
13? Give your answer in letter. (Eg a)
(a)
613 (b)
25 (c)
617
| |
(a) |
(b) |
(c) |
Given
Fraction |
| Fractions |
25 |
617 |
613 |
13 |
Make the numerators
the same. |
615 |
617 |
613 |
618 |
Difference in
denominators |
18 - 15 =
3 |
18 - 17 =
1* |
18 - 13 =
5 |
|
Make the numerators the same to compare fraction values.
If the numerators are the same, the smaller the difference between 2 denominators, the closer the value.
The difference in the denominators between (b)
617 and
618 is 1. It is the
smallest difference in denominators so fraction (b) is the
closest to the given fraction.
Answer(s): b
