1/
a) \(\frac{2}{8}\)=\(\frac{9}{36}\); \(\frac{2}{9}\)=\(\frac{8}{36}\);\(\frac{36}{9}\)=\(\frac{8}{2}\);\(\frac{36}{8}\)=\(\frac{9}{2}\)
b) \(\frac{-2}{4}\)= \(\frac{7}{-14}\); \(\frac{-14}{7}\)= \(\frac{4}{-2}\); \(\frac{-2}{7}\)= \(\frac{4}{-14}\); \(\frac{-14}{4}\)= \(\frac{7}{-2}\)
a)2/8=9/36;36/9=8/2
b)-2/4=7/-14;-14/7=4/-2