Question

2/3-5/4+27/12 dividido por 9/2
sao fraçoes

Answer 1

2 - 5 + 27
-- --- ---
3 4 12

Aplica-se MMC
3,4,12/2
3,2,6/2
3,1,3/3
1,1,1

2*2*3=12 MMC (3,4,12)

8-15+27
------------
12

20
---
12

Agora se multiplica pelo inverso (9/2)

20 * 2
--- ---
12 * 9

40
----
108