Question

Ayudenme operaciones comninadas
Calcular:
a) 5 x 1/10 - ( 3/5 - 2/5 ) x 2/3
b) 2/3 x 15/4 - ( 1/6 / 1/12 + 1/8 )

Answer 1

)a) 5 x 1/10 - ( 3/5 - 2/5 ) x 2/3
= 1/2 - ( 1/5) x2/3 = 1/2 - 2/15 = 11/30

b) 2/3 x 15/4 - ( 1/6 / 1/12 + 1/8 
30/12 - ( 12/6 -1/8) = 15/6 - ( 45/24 ) = 15/6 - 15/8 =(60-45)/24 = 15/24 = 5/8