“Percentage” or “percent” means out of 100
|Mathematical sign of percentage is %|
Thus x per cent means x hundredths.
Now it will be written as X%
|We can also define X% as a fraction. so, X%||=||X||100|
Note: The numerator (15) of the fraction is called “rate per cent”.
Operations of Percentage
To represent a percentage as a Fraction;
|1. Divide the percentage by 100 or multiply the fraction with||1||100|
|2. After this just remove the percentage sign (%).|
|After converting 20% into fraction, the result will be||20||100|
To represent a fraction as a percentage;
|1. Multiply the percentage with 100|
2. After this we have to add the percentage (%) sign.
|After converting||40||into fraction, the result will be||40%|
To represents one number as a per cent of another;
Question: What % of 16 is 24?
|16||X 100%||= 150%|