They are all different ways of representing numbers.
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These are all the same number:decimal 0.03077fraction 2/65percent 3.077%
To change 0.3 to a fraction, it is 3/10. All you do is put the 3 over 10. To change 0.3 to a percent, move the decimal two places to the right. It is 30%.
They are related because all you have to move the decimal to get either one.
To turn a decimal [fraction] into a percent you simply multiply it by 100 and add a percentage sign. If the decimal fraction has two or more digits after the decimal point, then all you need to do is to move the decimal point two digits to the right and add the percent symbol. If the number has only one digit after the decimal point then you need to add a zero and then move the decimal point.Thus:0.3456 = 34.56%0.0345 = 03.45% = 3.45%0.34 = 34%0.3 = 0.30 = 30%
This is the long way, explaining all the steps: 13% of 65 can be set up as a fraction: 13/65 convert the fraction to a decimal by dividing the top number by the bottom number: 13 ÷ 65 = .2 then convert the decimal to a percent by moving the decimal place 2 places to the right and placing the percent sign: .2 = 20%