Arrange these fractions from the smallest to the largest 37, 49, 38
- 38, 37, 49
- 37, 49, 38
- 38, 49, 37
- 49, 37, 38
Need a hint?
Two fractions have the same numerator 3. Compare those first, then use a common denominator for the third.
Worked answer
- Compare 37 and 38: same numerator, bigger denominator means smaller fraction, so 38 < 37.
- Compare 37 and 49: make common denominator 63. 37 = 2763, 49 = 2863. So 37 < 49.
- Order from smallest to largest: 38, 37, 49.
Answer: 38, 37, 49
The mistake this question tests
Habit
Calculation slip
Pupils often think 38 > 37 because 8 > 7, forgetting that a bigger denominator makes the fraction smaller.
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See the answer →Practise PSLE fractions until the mistakes stop.
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