False..
Sometimes
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If both the numerator AND denominator are the same... the fraction is an equivalent for the number 1
The best name for a fraction that has a numerator less than the denominator is common fraction. The name of a fraction with a number in the numerator greater than the denominator is improper fraction.
Not necessarily.
Always true. (Never forget that whole numbers are rational numbers too - use a denominator of 1 yielding an improper fraction of the form of all rational numbers namely a/b.)
It is 1.