The fractions are .

                            (Write one fraction)

                      (Write prime factorization of numerator)

                  (Write prime factorization of denominator)

The GCF of 49 and 63 is 7.

             (Divide numerator and denominator by GCF)

The simplest form of the fraction is .

                            (Write another fraction)

                    (Write prime factorization of numerator)

                       (Write prime factorization of denominator)

The GCF of 21 and 27 is 3.

           (Divide numerator and denominator by GCF)

The simplest form of the fraction is .

The simplest form of the fractions are and respectively.

Yes, they are equivalent.