4. Fractions

Add or subtract the fractions below and simplify your result.

$\frac{7}{12}+\frac{1}{8}$

Add or subtract the fractions below and simplify your result.

$\frac{5}{9}-\frac{1}{6}$

Add or subtract the fractions below and simplify your result.

$\frac{5}{8}-\frac{1}{6}+\frac{1}{4}$

Add or subtract the fractions below and simplify your result.

$\frac{5y}{12}-\frac{y}{8}$