Question

(2+1/3).(3-1/4) rapido pfv]

Answer 1

2+1/3 = 3*2+1 = 7/3

3-1/4 = 4*3-1 = 11/4

Agora multiplicando os dois

7/3 * 11/ 4 (multiplica normal)

7*11
____ = 77/12
3*4

Answer 2

Acho que é:
(2+1/3)*(3-1/4)
(2+0,33)*(3-0,25)
(2,33)*(2,75)=6,40