comparing common fractions with the same denominator
1. Compare and ; and ; and .
5
8
4
5
2
5
7
9
4
17
11
17
4
9
2
8
Check your answer with the model.
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2. Compare and ; and ; and .
15
7
12
7
9
15
14
15
7
11
4
11
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You could move the circles by dragging their centers.
3. Compare and .
Formulate your conjecture about the general rule how to compare two fractions with the same denominator.
You must have noticed that:
If two fractions have the same denominator the bigger is the one with the bigger numerator.
4. Write all common fractions with a denominator 15 between and . Verify your answer by means of the model.
5. For which values of the integer х is the inequality below satisfied?
8
15
11
15
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