Question

Gente eu preciso disso pra hj me ajudem por favor

Answer 1

11. $\frac{6}{21}= \frac{6:3}{21:3}=\frac{2}{7}$          

12. $\frac{20}{24}= \frac{20:4}{24:4}=\frac{5}{6}$

13. $\frac{20}{35}= \frac{20:5}{35:5}=\frac{4}{7}$

14. $\frac{24}{32}= \frac{24:8}{32:8}=\frac{3}{4}$

15. $\frac{18}{27}= \frac{18:9}{27:9}=\frac{2}{3}$

16. $\frac{30}{24}= \frac{30:6}{24:6}=\frac{5}{4}$

17. $\frac{30}{25}= \frac{30:5}{25:5}=\frac{6}{5}$

18. $\frac{12}{32}= \frac{12:4}{32:4}=\frac{3}{8}$

19. $\frac{15}{40}= \frac{15:5}{40:5}=\frac{3}{8}$

20. $\frac{45}{20}= \frac{45:5}{20:5}=\frac{9}{4}$