Rules For Simplification

First of all we know that, what is simplification? The word VBODMAS and the  simplification of fraction is done in the order of letters used in the word.

VBODMAS: Meaning of VBODMAS is given below

V = Vinculum [ Bar Bracket ]
B = Bracket
O = Of
D = Division
M = Multiplication
A = Addition
S = Subtraction

•  Brackets  are four types: 

1. Bar Bracket
2. Small Bracket, ( )
3. Middle or curly Bracket , { }
4. Big Bracket, [ ].