Multiply and divide fractions with negatives

Give the answer as a fraction in lowest terms, or a whole number.

1. Evaluate: −1/5 ÷ (−1/5) (Write a fraction in lowest terms, or a whole number.)
2. Evaluate: 1/3 × 3/4 (Write a fraction in lowest terms, or a whole number.)
3. Evaluate: −1/5 × 4/5 (Write a fraction in lowest terms, or a whole number.)
4. Evaluate: 1/3 ÷ 3/10 (Write a fraction in lowest terms, or a whole number.)
5. Evaluate: 1/2 ÷ (−1/2) (Write a fraction in lowest terms, or a whole number.)
6. Evaluate: 1/4 × 1/4 (Write a fraction in lowest terms, or a whole number.)
7. Evaluate: −1/4 ÷ 2/5 (Write a fraction in lowest terms, or a whole number.)
8. Evaluate: −2/3 × 5/6 (Write a fraction in lowest terms, or a whole number.)
9. Evaluate: −3/5 × 1/4 (Write a fraction in lowest terms, or a whole number.)
10. Evaluate: −3/10 ÷ 2/5 (Write a fraction in lowest terms, or a whole number.)
11. Evaluate: −1/3 ÷ 1/7 (Write a fraction in lowest terms, or a whole number.)
12. Evaluate: −3/4 × 5/9 (Write a fraction in lowest terms, or a whole number.)
13. Evaluate: 3/4 ÷ (−2/3) (Write a fraction in lowest terms, or a whole number.)
14. Evaluate: −1/2 × (−1/2) (Write a fraction in lowest terms, or a whole number.)
15. Evaluate: 5/7 ÷ (−4/5) (Write a fraction in lowest terms, or a whole number.)
16. Evaluate: −1/2 × 1/8 (Write a fraction in lowest terms, or a whole number.)
17. Evaluate: 3/4 ÷ 2/3 (Write a fraction in lowest terms, or a whole number.)
18. Evaluate: −1/2 × 9/10 (Write a fraction in lowest terms, or a whole number.)
19. Evaluate: −1/2 ÷ (−1/6) (Write a fraction in lowest terms, or a whole number.)
20. Evaluate: 1/3 ÷ (−1/2) (Write a fraction in lowest terms, or a whole number.)