(1) Equivalent fractions (2) common denominator
Solution:
1. Equivalent fractions name the same amount.
Equivalent fractions are the same value with different numerator and denominator.
Example:
These values are same.
2. A common denominator is a common multiple of two or more denominators.
Example:
Here 6 is a common multiple of 2 and 3.
Hence the answer is (1) Equivalent fractions (2) common denominator.
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