• 4 years ago
One percent is one hundredth of a whole. It can therefore be written as both a decimal and a fraction. To write a percentage as a decimal, simply divide it by 100. For example, 50% becomes 0.5, 20% becomes 0.2, 1% becomes 0.01 and so on.
In mathematics, a percentage (from Latin per centum "by a hundred") is a number or ratio expressed as a fraction of 100. ... A percentage is a dimensionless number (pure number); it has no unit of measurement.
If you divide a number by 0.80, you divide it by , so you multiply it by , that is, by 125%, so you added 25% to the number. ... Any percentage number can be represented as a fraction.
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CLASS V MATHS UNIT 12 PERCENTAGE WORKSHEET 1,2 AND 3
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