QuestionCombine the following mixed numbers and fractions to lowest terms:
1. $\frac{2}{5}+\frac{12}{7}$
2. $\frac{9}{10}+\frac{11}{12}$
3. $25 \frac{3}{5}+39 \frac{3}{5}$
4. $\frac{15}{20}+\frac{6}{15}$
5. $3 \frac{5}{9}+6 \frac{10}{14}$
6. $4 \frac{1}{12}+\frac{1}{6}$
7. $6 \frac{2}{3}+19 \frac{1}{9}+2 \frac{4}{6}$
8. $15 \frac{3}{4}+\frac{5}{6}+11 \frac{6}{12}$