Fractions Test ...

$$\displaystyle \frac { 1 }{ 3 } +\frac { 1 }{ 2 } -\frac { 5 }{ 6 } +\frac { 1 }{ 5 } +\frac { 1 }{ 4 } -\frac { 9 }{ 20 } =$$

Convert $$\dfrac{13}{7}$$ into a mixed fraction.

Which of the following is/are improper fraction(s)? 

Which of the following is improper fraction?

The value of expression $$1 + \left \{\dfrac {1}{2} + \dfrac {1}{3} + \dfrac {1}{6} + \left (\dfrac {3}{4} - \dfrac {1}{3} \right )\right \}$$ is

Simplify: $$\displaystyle \dfrac{\dfrac{3}{5}+\dfrac{1}{3}}{\dfrac{2}{3}+\dfrac{2}{5}}$$

Reduce fraction to lowest form:
$$\dfrac{100}{200}$$

Reduce fraction to lowest form:
$$\dfrac{144}{36}$$

Reduce fraction to lowest form:
$$\dfrac{12}{16}$$

Reduce fraction to lowest form:
$$\dfrac{25}{100}$$