Question

Resolva as operações simplificando o resultado quando for possivel a) 3/8 + 4/6 b)5/4 - 7/4 c) 9/3 x 6/5 d) 8/7 : 6/7

Answer 1

Assunto: frações.

a)

 3/8 + 4/6 = 9/24 + 16/24 = 25/24

b)

 5/4 - 7/4 = -2/4 = -1/2

c)

9/3 * 6/5 = 54/15 = 18/5

d)

 (8/7) / (6/7) = (8/7) * (7/6) = 56/42 = 4/3