CONVERSION OF FRACTION INTO PERCENTAGE
To convert a fraction into a percentage, multiply the fraction by 100 and add the % symbol, since ratios are essentially fractions, you can also express a ratio as a percentage
2 2
Example.1) ------ ( or 2 : 5 ) = ( ------ X 100 ) % = 40% (Ans.)
5 5
3 3
Example.2) ------- ( or 3 : 4 ) = ( ------ X 100 )% = 75 % (Ans.)
4 4
7 7
Example.3) ------- ( or 7 : 10 ) = ( ------ X 100 )% = 70% (Ans.)
10 10