Question

75/90-5/8 e doar o scadere dar na... / inseamna supra

Answer 1

75/90 - 5/8 = 
= 5/6 - 5/8
= (20-15)/24
= 5/24

Answer 2

$\frac{75}{90} - \frac{5}{8} = \frac{15*5}{15*6} - \frac{5}{8} = \frac{5}{6} - \frac{5}{8} = \frac{20}{24} - \frac{15}{24} = \frac{20-15}{24} = \frac{5}{24}$