Adding and Subtracting mixed numbers with unlike denominators

$$\frac{1}{4}$$ + 4 $$\frac{1}{3}$$ =

$$6 \frac{5}{6} - 4 \frac{7}{12}$$ =

$$10 \frac{3}{8} + 7 \frac{3}{10}$$ = ?

$$18 \frac{3}{4} - 11 \frac{1}{10}$$ =

$$23 \frac{2}{9}$$ + $$12 \frac{1}{6}$$ =

$$29 \frac{5}{6} - 10 \frac{5}{12}$$ =

$$32 \frac{4}{11}$$ + $$7 \frac{1}{2}$$ =

$$25 \frac{3}{10}$$ + $$5 \frac{1}{8}$$ =

$$15 \frac{2}{5} + 8 \frac{3}{7}$$ =

$$9 \frac{7}{12}$$ - $$3 \frac{5}{8}$$ =