Question

Calcule
A )
4/5 +5/2-7/4
B) 2/3+4 1/2 + 5 - 1/4

Answer 1

Vamos lá,

A)4/5 + 5/2 - 7/4

33/10 - 7/4

31/20

B)2/3 + 4 1/2 + 5 - 1/4

2/3 + 9/2 + 5 - 1/4

31/6 + 5 - 1/4

61/6 - 1/4

119/12

9 11/12