Equivalent Fractions

What are equivalent fractions?

How do you find an equivalent fraction?

What is the equivalent fraction of $$\frac{1}{2}$$ with a denominator of 4?

What is the equivalent fraction of $$\frac{3}{5}$$ with a denominator of 15?

If $$\frac{4}{9} = \frac{8}{?}$$ , what is the missing denominator?

If $$\frac{7}{11} = \frac{?}{22}$$ , what is the missing numerator?

If $$\frac{9}{10} = \frac{27}{?}$$ , what is the missing denominator?

If $$\frac{5}{8} = \frac{15}{?}$$ , what is the missing denominator?

If $$\frac{3}{7} = \frac{?}{21}$$ , what is the missing numerator?

What is the relationship between the numerator and denominator in equivalent fractions?