1.2.14

Convert Decimals & Percentages

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Converting Percentages

A percentage is ‘parts per hundred’ and is written with a % sign which is called ‘percent’.

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Percent to fraction

  • To convert between a percentage and a fraction write the number before the percent sign on the top and 100 on the bottom.
    • 45% is 45 parts per 100 so is equivalent to the fraction 45100 = 920.
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Percent to decimal

  • To convert from a percentage to a decimal simply divide by 100 and remove the percent sign.
    • 45% is equivalent to the decimal 0.45.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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