Comparing Fractions: One of the denominators is the common denominator

Fill in the missing sign:

$\frac{1}{3}☐\frac{4}{12}$

$=$

Fill in the missing sign:

$\frac{2}{7}☐\frac{4}{21}$

>

Fill in the missing sign:

$\frac{3}{7}☐\frac{21}{28}$

<

Fill in the missing sign:

$\frac{4}{6}☐\frac{5}{12}$

>

Fill in the missing sign:

$\frac{1}{3}☐\frac{6}{9}$

<

Fill in the missing sign:

$\frac{1}{12}☐\frac{2}{24}$

$=$

Fill in the missing sign:

$\frac{2}{5}☐\frac{7}{10}$

<

Fill in the missing symbol:

$\frac{2}{8}☐\frac{3}{4}$

<