Question

obtener la fraccion irreducible equivalente a cada uno de los siguientes numeros
21/36 55/65 -23/69 81/45 28/63 720/450 -19/57 165/85

-64/144

Answer 1

21/36 = 7/12

55/65 = 11/13

-23/69 = -1/3

81/45 = 27/15 = 9/5

28/63 = 4/9

720/450 = 72/45 = 24/15 = 8/5

-19/57  = -1/3

165/85 = 33/17

-64/144 = -32/72 = -16/36 = -8/18 = -4/9