Converting a Mixed Number into an Improper Fraction

1)

3\frac{1}{2}

2)

4\frac{1}{2}

3)

6\frac{2}{3}

4)

9\frac{4}{5}

1)

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

2)

4\frac{1}{2} = \frac{9}{2}

3)

6\frac{2}{3} = \frac{20}{3}

4)

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