Converting a Mixed Number into an Improper Fraction

1)

9\frac{4}{5}

2)

4\frac{2}{3}

3)

7\frac{1}{2}

4)

6\frac{4}{9}

1)

9\frac{4}{5} = \frac{49}{5}

2)

4\frac{2}{3} = \frac{14}{3}

3)

7\frac{1}{2} = \frac{15}{2}

4)

6\frac{4}{9} = \frac{58}{9}